About the Game
Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures. Set the course of history and experience different timelines in every playthrough as you write an epic story through your actions. Lead your people through times of crisis and ages of discovery, face great challenges and opportunities, and build a civilization that prospers through the ages.

Dictate the course of history across ten ages, from the first cities to space travel. Accomplish certain objectives and you can move time into a Variant Age - an alternate history with new rules, new technologies, and new units. But beware Crisis Ages; following a path of chaos and disorder may plunge the world into a future filled with war, sickness or ignorance. Then again, a wise ruler can always turn a crisis into an opportunity.... Choose the path with care, as the ages you pass through will have a lasting impact on your people and the world.

Customize your nation by adopting unique Nations Spirits over the course of your game. Will you be a nation of warriors or explorers? Are your people lead by a Great Khan or a builder of monuments? Are you known for defining pop culture or for dominating global finance? What parts of your culture will reverberate across history?

Manage your economy with care and create a juggernaut of growth and construction. Start with basic resources to gain food, wealth, and production. As your advance, decide how to best convert these simple goods into more valuable products through research and improvements. Specialize your regions, turning iron into weapons or tools, wood into paper or lumber, gold into coin or jewelry. Ship surplus goods where they are needed, allowing the breadbasket of your empire to feed far-flung colonies or your industrial heartland to supply troops near your enemy.

Pursue knowledge to research scientific and cultural advances, unlocking new units, buildings, and improvements to grow your cities or strengthen your armies. Research Defense to train the first archers, Smelting to master iron production, or Guilds for making wine. Variant and Crisis Ages feature unique alternatives, introducing everything from Cloud Estates in the Age of Aether to underwater cities in the Age of Utopia.

Achieve your ultimate success through a Victory Age. Toward the end of the game (or earlier if your strategy is sound), dominance allows a nation to dictate the winning conditions. The rest of the world must decide if they will struggle to achieve victory before the leader ... or oppose the leader's attempt. Risk everything to take victory in the Renaissance or carefully plan for triumph in the modern era.
Screenshots
14 images
Version Information
Steam Patch Notes
Official update history
Hello, Millennia folks! Update 8 is here, and with it, a host of bugfixes, localization updates, and some added mod support.
You can find the full patch notes here: (link)
With this patch, we are sadly coming to the end of an age. This will be the final patch for Millennia, thanks to C Prompt for their work and support of this game. We at Paradox will no longer be active on community platforms for Millennia, but you can continue counting on us for support needs, and the game will remain available to play indefinitely.
We want to thank all of you for joining us on this journey, to everyone who played and supported our game. You've been with us from the dawn of Ancient Worlds through your wildest Atomic Ambitions, and it's been an experience for the ages.
We hope to see you again in a future era - and may you always prosper!
Sincerely,
Katten (Former Millennia Community Manager)
(Build Number: 1.0.23641.F)
Bugfixes
- Fixed an issue that could cause AI players to go into Age of Atom inappropriately, which could leave the game in a bad state.
- Fixed an issue where advancing into the Age of Alchemy would sometimes fail.
This hotfix was pushed live in December last year on the open beta branch!
The game updated earlier today, with Build Number: 1.0.23492.F, all the content in this update is listed in detail in the Open Beta post for the update, with a couple minor additions of:
- A few localization issue fixes
- A fix for an issue with Naturalist Pathfinders ideal
You can find the full notes listed here: Link to Paradox Interactive Forums
The hotfix today addresses some localization issues, AI issues with air units in older save games and a couple more fixes!
Bugfixes
- Fixed some missing / unlocalized strings in Chinese, Polish, and Spanish.
- Fixed an issue where undoing certain naval battles could leave the navy in a bad state.
- Fixed an issue with the AI being unable to use air units in older save games.
- Turned on achievements for both Ancient Worlds & Atomic Ambitions.
This hotfix will also be pushed to the open beta branch at the same time!
We have a small hotfix today, targeting one crash related to game language! See the notes below for more information.
Bugfixes
- Fixed a bug that resulted in a crash if you control a Wasteland Hills in any language except English or French when you select that region
This hotfix will also be pushed to the open beta branch at the same time!
These notes cover the Atomic Ambitions DLC and Update 6 for Millennia.
If you last played when we released Ancient Worlds, you might want to peek at some of the changes since then. In particular, the Multiplayer Update at the end of September was substantial.
Atomic Ambitions
Details for all of the new things added in Atomic Ambitions can be found the original announcement and in the Atomic Ambitions Developer Diary, but a summary of the major new additions follows:
- New Strategic Warfare System: Reduce an enemy’s ability to fight by targeting and damaging their Buildings using the new Strategic Warfare system. This system is part of the free update, but the Atomic Ambitions DLC provides additional ways to engage with it, such as the Siege Masters National Spirit.
- New Nuclear Weapons: The most powerful weapons known are now included in Millennia’s arsenal. Update 6 adds the Arms Race system and the basic set of nuclear options for all players, but Atomic Ambitions adds exclusive new options (the ICBM and Dirty Bomb Powers), the DEFCON system, Age of Wasteland, and the Nuclear Superiority National Spirit.
- New Pollution System: Pollution-related items, “Bads”, are now part of the overall Goods model and must be dealt with to avoid their negatives. Update 6 adds this new element for all players, but the Atomic Ambitions DLC adds and exclusive option for processing later-game pollution through the new Cooling Tower Improvement.
{STEAM_CLAN_IMAGE}/44642325/5f08dd2bd20f72284df4b72ebabeeb143d3c525d.png - New Age of Wasteland: A unique new Age, Wasteland can become the future if Nations are a little too free in their use of nuclear weapons. Scavenge the irradiated world, fight with Mutants and Battle Cars, and attempt to rebuild civilization.
{STEAM_CLAN_IMAGE}/44642325/70f4ace8ca4ad5786089e80e62f021b96e2531f9.jpg - New Age of Atom: A new Age 7, Atom is Wasteland’s peaceful cousin, an Age that involves the early discovery of atomic power and widespread enthusiasm for the peaceful uses of nuclear everything.
{STEAM_CLAN_IMAGE}/44642325/620634b18388d99bd6031ad7494bb059e8d4875e.jpg - New Flower Child National Spirit: A new Age 8 National Spirit, Flower Child allows you to adopt an anti-nuclear war stance and attempt to prevent Armageddon.
{STEAM_CLAN_IMAGE}/44642325/352d4d3a3f35b6bb534fbe0a46bde37a3174d2d8.jpg - New Nuclear Superiority National Spirit: Dominate the Arms Race with Nuclear Superiority, a new National Spirit that allows you to become a nuclear superpower.
- New Siege Masters National Spirit: This new National Spirit allows you to focus on siege starting in Age 4. Build Siege Camps close to enemy Regions and construct Ballistae, Trebuchets, and Siege Towers to make short work of their defenses.
- New Wasteland Terrains: Age of Wasteland introduces new Wasteland terrains.
- New Wasteland Start: This new Game Option allows you to start a new game in the Age of Stone but on a post-apocalyptic Age of Wasteland map.
- New Starting Bonus: Atomic Ambitions adds a Diplomatic Favor Starting Bonus.
- New Music: Atomic Ambitions adds awesome new tracks for Age of Atom and Age of Wasteland (and also a few in the general Future and Modern music sets).
- New Landmarks: Six new Landmarks and their associated Expeditions are added by Atomic Ambitions – Wulingyuan, Rio Platano, Wadi Rum, Old Harry Rocks, Serengeti, and Ngorongoro Crater.
{STEAM_CLAN_IMAGE}/44642325/25fcfa963c2685dabe1c0567ddbbb310f689fd52.png - New Chaos and Innovation Events: Atomic Ambitions adds a new set of Chaos and Innovation events, along with four new Innovation Buildings – Stonehenge, Great Sphinx, Ipet-Isut, Chateau De Chambord.
{STEAM_CLAN_IMAGE}/44642325/10b728ef0cd6907f1a53db4fdc3fc44adb5ccbde.png
You can purchase Atomic Ambitions here:
https://store.steampowered.com/app/2829690/Millennia_Atomic_Ambitions/
Simultaneous Multiplayer
Simultaneous Multiplayer has been steadily improved since being introduced with Ancient Worlds. (Thanks to everyone who has helped with testing in the public beta branch.)
This feature is now ready for general use. We debated removing the “Beta” from it for Atomic Ambitions, but we felt it needs a little larger scale testing before we’ll allow it to completely graduate.
There are specifics in the notes that follow, but the short version is that the version of Simultaneous Multiplayer included in Update 6 is ready for all players.
Millennia Update 6
Items below are part of Millennia’s free update and available to all players.
Featured Changes
- Added new default Nations:
{STEAM_CLAN_IMAGE}/44642325/9a7de0f65ab3e234537abbd87d62fc388305e232.png- Italy: An AI Personality of Opportunist, and default starting bonus of Regional: +Influence.
- Australia: An AI Personality of Diplomat, and default starting bonus of +Movement: Naval Units.
- Poland: An AI Personality of Cooperative, and default starting bonus of Regional: +Unrest Suppression.
- Mexico: An AI Personality of Isolationist, and default starting bonus of Regional: +Food.
- Mongolia: An AI Personality of Aggressive, and default starting bonus of Age I: Warband Unit.
- Italy: An AI Personality of Opportunist, and default starting bonus of Regional: +Influence.
- Added a new Advanced Start to Game Options. You can now start games in Age 4, 6, or 8 and will begin the game with a setup reasonable for the Age. This also works in Simultaneous Multiplayer.
- Strategic Warfare changes:
- Most Units that can take part in Strategic Warfare have new Unit Abilities. Land Units, like the Catapult, have a Barrage Ability (in addition to Siege Defenses) that allows them to attack enemy Armies. Air Units, like the Propeller Bomber have a Strategic Bombing toggle that allows them to switch between targeting Armies and Buildings.
- Units capable of delivering nuclear attacks now have a Unit Ability to specify this action, such as Nuclear Strike on Submarines or the Load Nuclear Payload toggle on Bombers.
- Siege Units can now attack at range, depending on the Unit. Guided Artillery, for example, can Siege Defense 3 hexes away.
- Damaged Buildings do not produce their normal Resource output, Goods output, Unrest Suppression, or Regional Efficiency.
- Damaged Buildings repair passively, based on the Production of the Region.
- Building damage shows in tooltips and in the City UI, where they now have HP bars.
- Most Units that can take part in Strategic Warfare have new Unit Abilities. Land Units, like the Catapult, have a Barrage Ability (in addition to Siege Defenses) that allows them to attack enemy Armies. Air Units, like the Propeller Bomber have a Strategic Bombing toggle that allows them to switch between targeting Armies and Buildings.
- Refreshed the Machinery National Spirit:
{STEAM_CLAN_IMAGE}/44642325/3720fe5fca60eaea682cfdb1f270d5396ec404e7.png{STEAM_CLAN_IMAGE}/44642325/2e43ea5c313b700671b48bd6a1ab145a9127abe4.png- New Ideal unlocks a Charcoal Furnace Improvement, generates 1 Engineering XP and converts 2 Logs to 4 Charcoal.
- New Charcoal Good (2 Production). Charcoal can also be used as fuel for Power Station, Power Generator, and Mega Powerplant.
- New Apprenticeship Ideal provides additional worker slot to Charcoal Furnace and Tinkerer.
- Trebuchet Ideal changed to Gears and Pendulums, unlocks Clock Tower, unlocks and spawns a Trebuchet.
- New Ideal unlocks a Charcoal Furnace Improvement, generates 1 Engineering XP and converts 2 Logs to 4 Charcoal.
- Refreshed Spec Ops National Spirit:
{STEAM_CLAN_IMAGE}/44642325/e83c58df97d988930299d8dcc829d56e8daad05a.png- Tactical Insertion can no longer target tiles inside an enemy's borders.
- Laser Targeting replaced with Air Supremacy Ideal, unlocks and spawns VTOL, increases Strategic Power, Strategic Targets, and Attack on Air Units.
- Sabotage Ideal unlocks a Briefcase Nuke Unit Action for the Special Forces Unit.
- VTOL Ideal replaced with Contact Local Resistance Ideal, unlocks Domain Power that spawns Rebels in an enemy Region.
- Tactical Insertion can no longer target tiles inside an enemy's borders.
- Refreshed the Colonialism National Spirit:
- Eminent Domain Ideal no longer provides a power. It now is a one-time effect that converts up to three Minor Nations into Vassals and applies an Integration bonus to all Vassals. For each Minor Nation that cannot be found (such as from none being left) a Settler spawns in your Homeland instead. The ideal was also moved from Tier 1 to Tier 3.
- Macro Economics Ideal moved from Tier 3 to Tier 2.
- Overseas Colonization Ideal moved from Tier 2 to Tier 1, and now only spawns 1 Settler, down from 2.
- Added nested tooltip for the Colony Outpost Specialization to the Placer Claim Ideal / Power.
- Eminent Domain Ideal no longer provides a power. It now is a one-time effect that converts up to three Minor Nations into Vassals and applies an Integration bonus to all Vassals. For each Minor Nation that cannot be found (such as from none being left) a Settler spawns in your Homeland instead. The ideal was also moved from Tier 1 to Tier 3.
- Added new Resource and Reward Camp Abundance map generation Game Options.
- New map type – Enclosure. This map features harsh mountains and glaciers trapping all nations within a single landmass with one body of water. An arena-type map that forces all nations to fight for what little territory they have, with each open area separated by thick hills and forestation.
{STEAM_CLAN_IMAGE}/44642325/85bdbe3c191375f383c0ba6f8743ab37828a5db1.png - New Chaos and Innovation events added to Age of Heresy, Age of Harmony, Age of Revolutions, and Age of Dystopia.
- Diplomacy UI now shows an AI player’s chance of accepting an offer, as well as a brief summary of some of the factors influencing that chance.
- Added the ability to Compel in Diplomacy. This allows Diplomatic XP to be spent to guarantee acceptance of a Diplomatic offer (when dealing with an AI player).
- A new Megaproject, the Manhattan Project, has been added. When completed, this unlocks nuclear weapons.
- After nuclear weapons are discovered, the Arms Race system becomes active. This is a Faction system that provides bonuses or penalties based on each Faction’s nuclear weapon stockpile.
Balance
PLEASE REMEMBER THAT BALANCE CHANGES WILL ONLY APPLY TO NEW GAMES.
- Updated overall Power economy.
- 1 Coal Worker = 1 Coal and 1 Power.
- 1 Petroleum Worker = 1 Petroleum and 2 Power.
- 1 Uranium Worker = 1 Uranium and 3 Power.
- Stored Energy Good is now worth 10 Power Need (increased from 5).
- Adjusted Aether and Matter-Energy Condenser to both fall in line near Petroleum, but worse than Uranium.
- 1 Coal Worker = 1 Coal and 1 Power.
- Any Riots active when Age of Dystopia ends are now cleared.
- Added Arts XP bonuses to the Religion-related techs in Ages 3 and 4 to make the Arts Domain, and thus Religion, easier to access if you weren't working on Arts previously:
- Age of Kings: Organized Religion (+10 XP).
- Age of Monuments: Worship (+10 XP).
- Age of Plague: Sanctuary (+10 XP).
- Age of Kings: Spirituality (+5 XP).
- Age of Kings: Organized Religion (+10 XP).
- Computer Labs Improvements are now their own upgrade line (instead of being part of the Laboratory line).
- Changed Age 7 Power Station and Age 8 Wind Farm to cost IP (to make it easier to bootstrap Power in Regions).
- Imperial Bombardment Ideal now buffs Strategic Power and Strategic Targets.
- Increased City Attack power of Castles from 23 to 28.
- The Ancient Seafarer Legacy Ideal now includes Deep Water Utility Ships too.
- Age of Singularity no longer unlocks Civil Bunker, now unlocks AI Warehouse.
- Buffed the Howitzer unit from 42 to 48 ATK.
Gameplay
- Existing Events that involved Capital Building damage or destruction were revised to use the new Strategic Warfare building damage system.
- Added new Chaos Events that damage Capital Buildings.
- Age of Ignorance Chaos Events no longer occur after the Age of Ignorance.
- When AI players evaluate Diplomatic offers, they now weight differences in Power differently. Specifically, when Power between two Nations is similar, it no longer has any impact on the chance of accepting or refusing the offer.
- Towns and Vassals can now be placed atop Goods (this destroys the Goods tile).
- Removed or revised a number of Events designed to reveal nearby Camps; the current implementation was confusing.
- When a City is destroyed, any air Units there are now also destroyed.
AI
- Improved the AIs use of warships.
- Improved how the AI uses siege weapons against cities.
- Improved how the AI selects and builds Improvements.
UI / Art
- Added a new icon to represent bonuses that increase Army size (to differentiate from Warfare XP-related upgrades / bonuses).
- Adjusted the Army banner art to make player color more visible.
- Added support for showing more than four possible future Ages in the Technology screen.
- Fixed issue with text overflow on Envoy.
- Improved tooltip clarity around rivers and lush terrains to better call out the terrain bonuses received from these locations.
- Improved text related to Spec Ops National Spirit.
- Fixed an issue with Unrest Suppression from Goods not always showing correctly in the Goods tooltip.
- Updated Diplomacy text to highlight Alliance and War warning information.
- Fixed an issue where “small penalty” was not showing in the Faction panel.
- Fixed an issue with how Goods that provide Unrest Suppression are shown in the Region panel.
- Added Unrest icon to relevant tooltips.
- Updated and improved numerous Infopedia entries.
- Deforestation Domain Power now shows that it generates IP when used.
- Added Lush terrain tooltip for Food production.
- The Build Helper no longer shows tabs for suggestions of what to build if you want more Chaos or more Unrest.
- Updated Shogunate Innovation tooltip for clarity.
- The Diplomacy UI now uses “+ +” and “- -“ to indicate factors that have greater impact on the AI’s decisions.
- Updated the Diplomacy state tooltips to clarify the effects of each state.
- National Spirits that have been completed now show a “completed” icon.
- Tooltips for starting bonuses now show bonus value.
- Added missing Age of Ecology Infopedia and Help topics.
- Added sounds to a number of buttons that were missing these.
- Improved tooltip for Bow Hunter’s Harvest ability.
- Revised the left column of the main UI (where Technology, Culture, and Domains are shown).
- Revised terminology around Victory Ages to be consistent
- Changed Expansion Overlay to show number of turns until expansion.
- Amount of Wealth gained from deploying a Merchant now displays correctly on the same turn the Merchant is deployed.
- Changed Culture and Domain Power buff icons to use the icon of the Power instead of the icon of the resource gained / spent on the Power.
- Improved Expedition tooltip for clarity.
- Updated the Influence Infopedia entry.
- Fixed tooltips for National Spirit Legacy items to correctly show that they come from the Legacy Ideal (not the National Spirit itself).
- Tweaked the glacier terrain texture.
- Clarified tooltips for Crusader Ideal when Secular.
- Made Sheep animate correctly.
Simultaneous Multiplayer
(Some of these changes were part of the earlier MP Update but not in the notes.)
- Fixed several issues caused by splinter Nations in simultaneous multiplayer.
- Fixed issues caused when too many players attempted to join a restored simultaneous multiplayer game.
- Fixed an issue where, while using speech-to-text, the chat dialog could fade and disable inputs.
- Fixed issues related to player positions in lobby when restoring a simultaneous multiplayer game where a player has been previously eliminated.
- Fixed OOS condition related to Vassals.
- Fixed multiple out of synch conditions (almost all OOS conditions are now fixed).
- Fixed issues with lobby not allowing multiplayer savegames that involve splinter nations to load / resume.
- Fixed an issue with locked workers causing a desynch.
- Unsupported symbols in player names are now stripped out and not displayed (so if you have a bunch of emoji in your player name, you won’t see []s).
- Added a ready button to the multiplayer lobby (and automatic countdown when all are ready).
- Added a “healing system” to Simultaneous Multiplayer. This can detect and repair most desynchs between turns.
- Added a host migration system to Simultaneous Multiplayer. This allows games to continue if the host has been eliminated.
- Updated Simultaneous Multiplayer load system to use the correct loading screen art.
- Made Advance Start Game Option work in Simultaneous Multiplayer.
Known Simultaneous Multiplayer Issues
- When playing with a larger number of players, it is possible that two players will swap positions (and nations) when transitioning from lobby to the game. We're working on a fix.
- The Lobby can sometimes incorrectly assign player positions when re-hosting and loading a saved MP game. Once in game things will be restored correctly.
- If the host of a MP game is eliminated, the next human player becomes the new host and is now responsible for saving the game and re-hosting future sessions. This is not yet communicated in game. You can tell if you're the host if you have an enabled Save button in the Pause menu.
- There are still cases where a MP game can go out-of-sync between the host and clients. These issues will be resolved on the next turn the vast majority of the time. However, if the out-of-sync indicator is on every turn for multiple turns in a row it may be a good indication to have the host save the game, re-host the lobby, and load that saved game to clear any lingering issue.
- Using the advanced start feature in a MP game is more likely to generate initial out-of-sync issues, but they usually fix themselves over the first turn or two.
Modding
- Added an additional single-placement Map Cluster type.
- Fixed an issue with modded Goods not showing in the Resource overlay.
- Modding no longer “beta.”
Bugfixes
- Fixed some incorrect warnings shown on loading old savegames.
- Fixed issue with Guided Artillery using incorrect move sound.
- Fixed missing sound effect on Unite Tribes and Keshig Unit Abilities.
- Fixed issue with Age of Monuments not properly following game speed setting.
- Fixed an issue with being able to promote Leader Units to Generals multiple times (for no effect but at a cost of Warfare XP).
- Fixed an issue with the Flower Wars Ideal causing more religious conversion than intended.
- Fixed an issue where undoing a Utility Ship upgrade could cause problems.
- Fixed missing hover sound on Vassal Destroy Region button, Integrate button.
- Fixed missing hover sound on buttons in Victory / Defeat screens.
- Fixed an issue that would cause odd visuals with mountain terrain when completing Quests in Age of Heroes.
- Fixed an issue with resources that start the game hidden not playing their selection sound after being revealed.
- Fixed an issue where queueing the same Unit to be multiple times would sometimes cause the Unit to not show or to show an incorrect number of turns to build.
- Fixed issues related to territory lost to Town destruction. This also fixes issues related to count limited Improvements being incorrectly left behind after Towns are destroyed.
- Religious Improvements in a Region are now destroyed if the Region is captured (preventing Nations without a Religion from generating Faith when they should not).
- Removed bombing Unit Actions from Supersonic Lancer (fighter-type air Unit).
- Fixed the Floods Chaos Event to not occur when there are no valid targets.
- Fixed an issue with correct display of itemized buffs on some Capital Buildings.
- Fixed Innovation Units, Buildings, and Improvements sometimes not unlocking their Infopedia entry.
Misc
- Improved performance, especially performance in late-game interface.
- Improved general pathing behavior to deal better with situations that involve overstacking.
Known Issue
- If you undo the destruction of a Transport Ship, it will leave the naval stack in a bad state.
2024 Roadmap
With that we come to the end of the changelog, we also come to the Roadmap for 2024, which we have updated below:
{STEAM_CLAN_IMAGE}/44642325/054409b7b5b193a5555ffd1343bf38dcfeb39d49.png
A small hotfix today, fixing one issue with armies disappearing thanks to bombers.
Bugfixes
- Fixed an issue that could cause armies being attacked by bombers to disappear.
This hotfix will also be pushed to the open beta branch at the same time!
Those fixes being:
Multiplayer
- Fixed an issue where Splinter Nations could make saved simultaneous MP games unable to reload / rehost.
- Fixed an issue where AI outpost upgrades in simultaneous MP could sometimes cause the game to get into a bad state.
This hotfix will also be pushed to the open beta branch at the same time!
Those fixes being:
Multiplayer
- Fixed an issue where players could get stuck spending Social Fabric Wildcard points.
- Fixed an issue where certain AI event cards would take effect for each Human player in the game.
- Fixed a few cases where the game would go out of sync between the Host and the Clients.
This hotfix will also be pushed to the open beta branch at the same time!
Featured Changes
One of the bigger things in this update is Simultaneous Multiplayer.
If you haven’t been following, we released an experimental version of Simultaneous Multiplayer in August, available only in the Open Beta branch. That allowed us to get additional real-world testing (thanks, everyone) of multiplayer and we have been improving the system since.
We’re happy to report that this has come along really well and it’s now ready to move over to the main branch.
Simultaneous Multiplayer will no longer be “experimental”, but it is still “beta.” There are things to fix and quality of life improvements to make, but you can now reliably play multiplayer games.
(The list of changes for Simultaneous Multiplayer might be a little more difficult to follow if you haven’t been in the Open Beta. The feature is just becoming available for most players through this update, but we have updated Open Beta several times and we also have a new set of improvements going in today. Sections at the end of this cover the changes if you want details.)
Some other featured changes of this update:
- The AI’s ability to play the water game has been substantially improved. The AI is much better at understanding the importance of water terrain, building docks, building ships, and fighting on the water.
- By popular request, we added edge scrolling.
- Similarly by popular request, we added support for ignoring the turn limit end of game. One turn prior to turn-limited ending, the player is presented with an option to continue playing.
- Added a new default Nation, the Indus Civilization (AI Personality of Reserved, and default starting bonus of Age I: Exploration XP).
Balance Changes
PLEASE REMEMBER THAT BALANCE CHANGES WILL ONLY APPLY TO NEW GAMES.
- Marble Prospector startup bonus moved from Age 1 to Age 2.
- Chivalry National Spirit’s Peasants are now able to build Farms in Vassals.
- Added an additional bonus to some Scavenge Events that otherwise only revealed locations.
- The diplomatic penalty for being too close to another Nation is now capped at -100.
- Updated Icon Statue to upgrade line 4. Also now grants Influence like other Monument Buildings.
- The Cosmic Insight Innovation during Age of Plague now applies to Religious Texts.
{STEAM_CLAN_IMAGE}/44642325/5878602b1ef2bc9816681eac0c172076c7170045.png - Lush terrain now provides bonus for Vassals.
- Blast Furnace and Deep Mine now unlocked by Automachina Technology in Age of Discovery.
- Reworked Guns for Hire from the Mercenaries National Spirit. The sender now receives Warfare XP and much more Wealth than before, and the receiver receives an unrest-free version of their powerful Mercenary unit. These "on-loan" mercenaries also deal no damage to other mercenary units, making them powerful if you share enemies, but weaker if they try to turn them on you.
{STEAM_CLAN_IMAGE}/44642325/3c32a4fa8908d6dfe0e85675d0e1fecf52afda6e.png - Added the requirement to have a Castle Outpost for the Chivalry National Spirit’s Tavern Ideal to match other Ideals that unlock Specialization-specific Outpost Improvements.
- Swapped the unlock cost and tier of the Chivalry National Spirit’s Tavern and Medieval Medicine Ideals. Vassal bonuses can be quite powerful over time so the latter fits better in Tier 2, there's already a vassal-focused ideal on Tier 1 so this spreads the functionalities out more, and this prevents both Tier 2 Ideals from having requirements on them, which would have obstructed progression if you don't want to meet either requirement.
- Added a requirement for 2 Religious Birthplaces to the Crusaders National Spirit’s Holy Lands Ideal.
- Rebalanced recycling Improvements.
- The Mercenaries National Spirit’s Call Ambush Power can no longer be targeted inside Minor Nation or enemy Nation borders.
- The Mercenary Training Camp of the Mercenaries National Spirit now requires that you have built a Colony. This is to prevent unlocking the Improvement without realizing it requires a Colony to be built.
Gameplay
- Improved map drag-scrolling.
- Slow automatic healing (when fortified) now works within the borders of Minor Nations.
- Abilities that increase population can no longer be targeted on Regions that are at their maximum population.
- Barbarian conquest of water Regions now destroys the Region.
- Adjusted Inland Oceans map generation to place correct amount of Barbarian Camps.
AI
- Adjusted AI’s use of Settlers to prevent AI Settlers from getting stuck.
UI / Art
- Updated various startup bonuses to have more accurate tooltips.
{STEAM_CLAN_IMAGE}/44642325/48d5256ec04e32ce8a600044a49cfd472406cfbd.png - No longer show Rally Point button for Towns and Improvements in a Vassal.
- Updated Chinese Capital and Town names to use more historically accurate or notable options.
- Updated Infopedia to clarify specifics on Unit Types.
- Updated Good chain UI so that Goods icons on tooltips work as nested tooltip links.
- Fixed an issue with Unrest Suppression not updating correctly in UI after an Innovation affects it.
- Clarified tooltips for buffs that alter health recovery within your borders.
- Revised Russian Nation flag.
{STEAM_CLAN_IMAGE}/44642325/0bffeec1cff57a2247e191dfbc98833659d089e6.png - Adjusted Arcana particle effect to be more visible.
- Adjusted multiplayer UI to avoid text overflow on load button in some languages.
- Adjusted main UI to avoid text overflow on mods button in some languages.
- Adjusted setup of air combat in Combat Viewer to avoid “stuck” aircraft shadows.
- Clarified tooltips for Demand Fealty to highlight that it does not apply to Vassals created after using this Power.
- Clarified that the Warrior Government Ideal's unrest reduction is even stronger if you've declared a Justified War.
- Corrected the Shogunate National Spirit’s Right to Strike Ideal incorrectly stating it only affects Samurai when it affects Daimyo and Shogun Units as well.
- Clarified tooltip for the Commanders Legacy Ideal.
- Added nested tooltip to the housing bonus from foraging forest tiles with the Naturalists National Spirit.
- Shortened requirement for the Visa Sponsorship tooltip.
- Clarified Sistine Chapel tooltip to indicate the bonus applies to Masterpieces.
- Clarified how the Crusaders National Spirit’s Holy Lands Ideal works.
- Clarified how Religious Birthplaces generate Culture.
- Updated Infopedia entries, nested tooltips, and help screens for Religion to better clarify how conquered Religious Birthplaces act as potent multipliers to the Culture gained from Religion.
- Fixed numerous cases where entries for Units, Buildings, and Improvements were not appearing as intended in the Infopedia.
- Adjusted the Culture Power UI to correctly update in cases where the player has browsed other Domain Power options in the same Domain.
- Adjusted the Improvements UI to correctly update after Improvements are selected.
- Fixed Caravanserai showing that it can be built in “Desert” or “Desert.”
- Fixed inverted tooltips and incorrect keywords present in some languages during Age of Intolerance and Age of Generals.
- Fixed an issue with text alignment in Band Society being incorrect in some languages.
{STEAM_CLAN_IMAGE}/44642325/5a043a02f94b0805e9c32faea30d1d178c87591b.png
Modding
- Fixed an issue with modded Governments and National Spirits showing as unlocked between new games.
- Added support for modifying stats of existing Units.
- Added support for adding Culture and Domain Powers through mods (you currently cannot edit existing Culture and Domain Powers through modding).
- Now enable and use local mods even if Steam mods fails to load.
- Added a failure message when a Mod fails to upload or update to Steam.
- Added ability to reload a mod (to be able to test without needed to relaunch the game).
- Removed preview image field from the upload dialog (now automatically searches the mod folder for an image and uses that).
- No longer update the mod title unless a title is entered.
- Added support for localization of mods.
- Added functionality for being able to add maps through mods.
- Added functionality for being able to add Goods biome data to existing maps so that modded Goods appear.
Bugfixes
- Fixed Frozen Waste Expedition option that provided a negative success chance.
- Added and updated tooltips and detail text for Apprentice, Artist, and Master Artist.
- Updated Jaguar Unit to be a leader-type Unit.
- Fixed City of Gold parameters so that they show up consistently during the Age of Discovery.
{STEAM_CLAN_IMAGE}/44642325/fa496806b86984b8629f9e8a4adf26f09ba6e434.png - Can no longer use Raze Action on ruined Towns.
- Fixed an issue where trade relationship modifiers were being applied to players other than the trading partner.
- Fixed Promote Shogun Culture Power to not display as usable when you already have a Shogun.
- Fixed an issue with spawning Towns on top of locations with a Riot or Plague Outbreak in them.
- Fixed Age 2 Invaders Chaos Event to state correct number of Barbarians spawned.
- Fixed issue where outline scrolling would sometimes change map zoom level too.
- Fixed Units not properly displaying their idle after undoing certain moves.
- Fixed an issue where upgrading a Town would destroy any aircraft stationed in the Town.
- Corrected and expanded the Domains Infopedia entry.
{STEAM_CLAN_IMAGE}/44642325/7c2c03edb3cca5585558d88e0a8bb178ade90b1f.png - Improved the tooltip for the Truce Culture Power.
- Fixed buildings and improvements that were not showing up in the correct categories in the Build Helper menu under certain circumstances, such as from buffs or special bonuses -- numerous fixes applied across the game.
- Corrected the Age of Singularity Infopedia entry.
- Fixed a number of buff tooltips not displaying resource icons.
- Fixed an issue with Project icons disappearing under certain conditions.
- Fixed an issue with the Age up alert message sometimes showing the wrong number.
- Corrected the terrain build requirements for Cultural District.
- Fixed an issue where some tooltips would occasionally include debugging “TRUE” or “FALSE” text.
- Fixed underwater air Units in underwater cities.
{STEAM_CLAN_IMAGE}/44642325/83e50a8f5cb2df1e8143a25cbe2e036e1c790501.png - Fixed targeting Units able to spawn Goods in a tile on tiles that already contain an Improvement.
- Fixed double display of a buff in Welfare State tooltip.
- Fixed an issue with the Peasant’s Dub Unit Action when used with a full Army.
- Fixed typo in Iguazu Expedition.
- Fixed display of camera frustrum on minimap being cut off along edges under certain circumstances.
- Fixed sound effect not playing when closing the Goods import / export window.
- Fixed issue in alphabetical display of Nation names.
- Fixed numerous religious Improvements not receiving benefits from the Cultural Excellence Ideal.
- Fixed not being able to repair or upgrade some Improvements that are Region limited.
- Fixed an issue with Army size limits that could cause new Units to appear in tiles you could not enter normally due to diplomatic settings.
- Shogun, Dubbing, Artist, and Great Artist Unit Actions now retain health, combat XP and movement on upgraded Units.
- Fixed an instance where the undo button had missing text.
- Fixed Improvement visual effects being visible in fog of war.
- Updated missing tooltips for Capital Regions Buffs from Commission Research, News Cycle, and Rapid Development.
- Air strikes no longer show as losses in the combat log.
- Adjusted the Tidal Power Generator Improvement in Age of Ecology to avoid situations where it positioned incorrectly relative to the coastline.
- Fixed an instance of the Analytics Good being listed as Research.
- Adjusted how effects that change terrain (such as Ecological Revitalization in Age of Ecology) interact with Landmarks to prevent Landmark terrain from being changed.
- Upgrading Utility Ships no longer breaks their ability to harvest.
- Fixed instances where Improvements with region limits could not be upgraded or repaired.
- Fixed Age of Plague Crisis charging notification to display correct value at all game speeds.
- Fixed an issue with queued building orders when a Capital is destroyed.
- Fixed a situation where, under certain circumstances, a player could cause the cost to rush build something to become negative.
- Fixed issues where the Power for an Army sometimes showed different values in the Outliner and on the map.
- Fixed undo related to attacking with or moving air Units.
- Fixed an issue reported in forums (thanks) where if you advanced the turn when an AI player was eliminated, the turn would never come back around to you.
- Fixed an issue with Knowledge value of the Paradigm Shift Ideal not updating in the tooltip of the Eureka Culture Power.
- Added missing nested tooltips involving Fertilizer, Religious Tract, Crypto Currency, Inventions, Exhibitions, Foreign Manuscripts, and Media Goods.
- Fixed issue with some Innovation Events unintentionally triggering after they were meant to appear.
- Fixed Outpost Castle Specialization allowing Capital Attack when Specialization was changed.
- Fixed issue with certain Infopedia entries not appearing as intended.
- Fixed Age 9 Innovation Buildings (The Cube, Particle Accelerator, and Needle Point Skyscraper) unintentionally being unobtainable in The Ages of Visitors and Age of Ecology.
- Fixed an issue with conquered Regions not handling razed Improvements correctly (causing gains from tiles to not display correctly).
- Fixed an issue that caused some players to not have content in Age of Utopia and Age of Departure unlocked correctly. (Fixed this issue in existing saves also.)
- Fixed a case where you could encounter another player’s Units but fail to discover them Diplomatically.
- Fixed a case where graphical corruption could occur when generating maps with certain custom settings.
- Fixed an issue causing the Customizer Achievement to be unattainable.
- Fixed an issue where in some cases undoing an Improvement upgrade could cause extra worker slots to be lost.
- Fixed an issue where, under some narrow circumstances, damaged defenses would get "reset" incorrectly.
Misc
- Added support for playing with DLC enabled in offline mode.
- Assigned Settler Units a Settler Unit Type.
{STEAM_CLAN_IMAGE}/44642325/886671a4b066726079b9140432f75a1350441742.png
{STEAM_CLAN_IMAGE}/44642325/5276ac0855378b24f3afed5e1d92e2da018e8444.png - Made various performance improvements to how Millennia handles internal economy management.
- Made various performance improvements in the buffs system.
- Made a number of changes that improve performance when a player is eliminated.
- Made a number of changes that improve performance when a Capital City is destroyed.
- Made a number of changes that improve performance when terrains are altered.
Simultaneous Multiplayer -- Changes in Open Beta Prior to Multiplayer Update
If you were playing in the Open Beta, these were changes that were made in updates (things players in Open Beta have played with):
- Fixed an issue with border expansion in SMP games.
- Fixed an issue with camera jumping to focus on events incorrectly.
- Fixed an issue with the names of Armies being different for different players.
- Fixed an issue with Town upgrade sound playing for all players in SMP games.
- Prevented Tech UI from appearing while waiting in SMP.
- Changed air strikes to resolve immediately in SMP.
- AI in Simultaneous Multiplayer has been updated. You can now use AI players in Simultaneous Multiplayer.
- Made change to improve performance of AI thinking about its moves.
- Fixed some issues with all messages from host not being shown for all players.
- Fixed some issues with incorrect player name being used in lobby.
- Fixed several issues that could occur when a player hosted and then joined a game (or vice versa).
- Reworked some of the structure of alerts to fix numerous issues (for example, combat alerts in SMP being displayed a turn after they should have appeared).
- Reworked a variety of Unit sorting and economy recomputing issues to fix / prevent a number of synch issues.
- Fixed numerous Simultaneous Multiplayer synch issues. (Thanks for the testing!)
- Fixed issues with failure to create or join lobbies and added messages for failure cases.
- Added player color to chat.
- Added the ability for Simultaneous Multiplayer players who have ended their turn to “unready” and resume their turn.
- Diplomacy actions targeting players who have already ended their turn now display the Diplomacy message for the player who has ended their turn and allow them to resolve the Diplomacy action.
- Fixed an issue where, in certain circumstances, a player could accept a multiplayer invite and cause a singleplayer save to attempt loading as a restored multiplayer game.
- Fixed issues related to eliminated players.
- Fixed an issue with certain hotkeys still issuing commands after a player has ended their turn.
Simultaneous Multiplayer -- Changes made as part of Multiplayer Update
If you were playing in the Open Beta, these are additional Simultaneous Multiplayer changes going in as part of this Update.
- Made a number improvements to performance in multiplayer games.
- Eliminated some camera scrolling on certain commands that could be confusing in Simultaneous Multiplayer games.
- Fixed an issue with hosts seeing Cloud Hotseat saves as Simultaneous Multiplayer saves.
- Changed Simultaneous Multiplayer overlay to show when the AI players are making their moves.
- Fixed additional Out of Synch issues as discovered.
- Made the process of finding out of synch conditions in Simultaneous Multiplayer far more performant.
- Eliminated players are now called out as ELIMINATED.
- Human players that have been replaced by AI players no longer show up as “disconnected”. (They are not displayed.)
- Fixed a case where the host’s “unready” state was not shown correctly.
- Added tooltips and additional UI support to Simultaneous Multiplayer.
- Fixed lobby flickering and UI dropdowns in lobby closing unnecessarily.
- Fixed an issue with culture rush button flickering in MP games.
- Fixed multiple scenarios in MP lobby where lobby was displaying incorrectly.
- Fixed multiplayer status panel missing labels, tooltips.
- Fixed multiple issues with savegame files not having data to properly recreate Simultaneous Multiplayer lobby state.
- Fix for multiplayer status panel getting stuck in some situations when reloading a save.
- Added error messages for certain multiplayer lobby conditions.
- Disabled some unnecessary synch checking.
- Fixed lobby to not look like players could change settings when restoring saves.
- Lobby now shows (host and client) if game being setup is a restored save.
Simultaneous Multiplayer – Known Issues / Be Aware Of
- If you join a Simultaneous Multiplayer lobby, any mods will be disabled. As of now, you would need to restart Millennia to re-enable those mods.
- Eliminating the hosting player in a Simultaneous Multiplayer game currently prevents the game from continuing.
Current Release
v1.0.4
Uploaded Apr 28, 2024
Update Required for Latest Version
The base game download is an older build.
To get the latest version, download both the Base Game + Update patch.
Millennia update 1.0.4 - 1.0.12.exe
14 MB
Millennia update 1.0.1 - 1.0.4.exe
10 MB
Additional Files
Update Patches
2 files · Only if your local version is older
System Requirements
How to Install
setup.exe
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
2.9 GB
v1.0.4
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View AllDownload Millennia for PC with a direct link or via torrent. Get the full version of Millennia for free. Millennia is a Simulation released by C Prompt Games.