About the Game

The citizens of Ratopia each have their own wealth and unique characteristics.
There is no such thing as a free lunch!
Supply jobs and services for your ratizens to make them all happy.

Make a detailed policy to tax them all!
Shouldn't the people all work tirelessly for more profit?
Create or prevent social disasters with your own policies.

Explore and find the remains of the great old rats.
Bring prosperity to the city through great expeditions.
Some adventures pose the possibility of awaking up apex predators, but who's to worry?
Screenshots
10 images
Version Information
Steam Patch Notes
Official update history
Patch List
Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again.
- 💌 The Moving speed bonus from the Dexterity stat has been adjusted.
- Moving speed per 1 Dexterity: +2% → +3%
- 💌 The "Air pocket" effect has been added as a job effect for the Water Tank.
- 💌 The Research UI now allows searching for Structures even if they are not yet unlocked.
- 💌 Fixed an issue where Snails would not produce slime when overlapping with Structures.
Bug Fix
- 💌 Fixed an issue where the Milestone "Path of Burial" and the Leader Perk "Pickpocket" could be used together.
- 💌 Fixed an issue where resource and service subsidy policies granted additional subsidies daily.
- 💌 Fixed an issue where guide text appeared as “…” in some languages.
- 💌 Fixed missing Moving speed bonus information for The Middle Class and The High Class in the Ratizen info window.
- 💌 Fixed a display error in the Ratizen info window related to maintaining Necessities.
- 💌 When resetting perks, a confirmation window now appears to show the cost regardless of the current amount in Savings.
- 💌 Fixed an issue where the same Ratizen would appear multiple times in events requiring different individuals.
- 💌 Fixed an issue where lost Ratizens at the edges of the map could not find their target destination.
- 💌 Fixed an issue where hunters sometimes failed to carry back resources after hunting an Armadillo.
- 💌 Fixed an issue where drones were not properly executing repair commands.
- 💌 Fixed an issue where some animals would fall and die while moving near the edge of the map.
- 💌 Fixed a bug where decorative achievements were triggered when a weasel spawn zone appeared.
- 💌 Corrected localization text for some achievements.
- 💌 Fixed an issue where Snail slime prevented usage of the Railroad when overlapping with it.
- 💌 Fixed an issue where wiring would not function properly after demolishing an Electric Lift Station.
- 💌 Fixed an issue where the total price was incorrectly displayed when selling items under 10 coins at the Trading Post.
- 💌 Fixed abnormal sound effects when changing trade units at the Trading Post.
- 💌 Fixed an issue where materials were refunded when relocating Field Bed, Grave Garden, or Soul Mirror.
- 💌 Fixed an issue where changing the direction of one door would also affect other doors.
- 💌 Fixed an issue where Hell Forge would not appear in some seed values.
- 💌 When using a controller, the trade unit change key at the Trading Post has been changed to /.
- 💌 Fixed an error code that occurred when navigating the convenience feature category for Structures on Steam Deck.
- 💌 Fixed a bug where the hat would not change when randomly selecting the Leader’s appearance in the game start screen.
- 💌 Fixed a bug where the encyclopedia entries for plant growth stages were shown in the wrong order.
- 💌 Fixed a bug where the total income/outcome in the Savings section of the statistics window was incorrect.
- 💌 Fixed an issue where two separate entries for water appeared in the resource section of the statistics window.
- 💌 Added entries for total trade volume and total trade value during the trade period.
- 💌 Fixed an issue where the ending BGM did not play.
Patch List
Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again.
-💌 The product amount of electricity-related structures in the Science theme has been generally increased.
- - Ratpower Generator: 15 → 18
- Wind Turbine: 8 → 10
- Hydroelectric Generator: 1 → 1.5
- Solar Pannel: 12 → 15
- Thermal generator
- Required Workload has been increased from 600 → 800 for all types.
- Charcoal
- Required Resource: 3 → 2
- Product amount: 120 → 200
- Coal
- Product amount: 180 → 300
- Flamone
- Product amount: 150 → 250
-💌 Effects related to Faith Duration in the Shaman theme have been generally increased.
- - Idol of Sloth: 3 → 4
- Idol of Gluttony: 3 → 4
- Idol of Joy: 3 → 4
- Idol of Cleanliness: 3 → 4
- Chapel: 8 → 9
- Dream Catcher: 30 → 36
- Relic: 30 → 36
- The probability of disease progressing to the next stage on Easy difficulty or lower has been adjusted.
- - Mid-stage Disease → Late-stage Disease: 50% → 20%
- Late-stage Disease → Death: 50% → 20%
- Infection probability from Disease Secretions has been adjusted.
- - Secretion infection chance: 15% → 10%
- 💌 A Relocate feature has been added to the convenience functions of Structures, excluding a few exceptions.
- - Using this function consumes Savings.
- The Blueprint can be moved and placed again all at once while preserving the original Structure's settings.
- 💌 Exiting during the Blueprint placement phase now correctly brings up the construction UI for Structure selection.
- 💌 A new function button has been added to the Structure info window to view the assigned Ratizen.
- 💌 V-Sync has been added as a new feature.
- 💌 Water tiles now evaporate when in contact with lava.
- 💌 The middle and The high now gain +5% and +10% movement speed respectively.
- 💌 Some translations have been revised.
Bug Fix
- 💌 Fixed an issue where door access conditions set by Ratizen groups were not being saved.
- 💌 Fixed an issue where a Ratizen would temporarily disappear if the Leader used a skill while carrying them.
- 💌 Fixed a mismatch between some achievement images and the Frame of Proof.
- 💌 Fixed an issue where the image in the Frame of Proof changed after saving and loading.
- 💌 You can now modify units via mouse click at the Trading Post.
- 💌 Fixed an issue where the Shrew remained even after resetting the Tamer's perk.
- 💌 Adjusted the layout of the income statistics window in the Savings and Ratizen Info panels.
- 💌 Fixed some tutorial highlights being misaligned.
- 💌 Corrected a translation error related to Prosperity in the statistics window.
- 💌 Fixed an issue where the frame rate spiked excessively on the first launch of the game.
- 💌 Fixed an issue where Ratizens’ hands turned mechanical when the Leader wore a Ratron skin.
- 💌 Improved the smoothness of UI scroll behavior.
Patch List
Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again.
-💌 Added a text display in the construction window to show the number of the respective buildings currently built in the city.
-💌 To reduce the initial difficulty of the Umbran Circle while maintaining the overall challenge, the Evangelism and Renewal effect values for each Idol have been adjusted.
-Idol of Sloth
- Evangelism Rate: 10% → 15%
-Idol of Gluttony
- Evangelism Rate: 10% → 12%
-Idol of Joy
- Evangelism Rate: 10% → 9%
-Idol of Cleanliness
- Evangelism Rate: 10% → 6%
-Idol of Extravagance
- Evangelism Rate: 10% → 3%
- Renewal Time: 6 → 9
Bug Fix
- 💌 Fixed an issue where save files accumulated abnormally large sizes when using the Shaman content.
- After the game update, saved files will now be stored in a compressed and normal format.
- 💌 Fixed an issue where the "Exit" button would not function after winning on the battlefield.
- 💌 Fixed an issue where no souls were generated when an Anglerfish was caught through fishing.
- 💌 Fixed an issue where resources in the Quantum Storage would not disappear but display as 0 when fully consumed.
- Fixed an issue where an error occurred in substations when loading a game.
- Fixed an issue where an error occurred when changing the time after constructing two or more chapels.
- Fixed a bug where the UI on the power page in the statistics window exceeded its boundaries.
- Fixed an issue where inventory numbers in the statistics window did not match the actual stored quantities.
- Fixed an issue where highlights for items in the statistics window were not generated properly.
- Fixed an issue where attempting "Save As" during the saving process caused an error.
- Fixed an issue where the Earth Spirit's stun attack was not applied correctly.
- Fixed an issue where the attack power boost effect of the War Totem was applied differently from the displayed value.
- Fixed an issue where using the Altar caused an error.
2025 01 21 Additional Notes
- 💌 Fixed an issue where papyrus would stop growing at 99% growth.
- 💌 Fixed an issue where grown Feather Beetles would provide only 1 resource.
- 💌 Fixed an issue where the daily power production display for substations was inaccurate.
- 💌 Fixed an issue where some ritual icons were not displayed correctly.
Patch List
- 💌 Improved AI so that Ratizens affected by diseases prioritize using the hospital.
Bug Fix
- 💌 Fixed an issue where the Wireless Recharger would reset the Ratron's Stamina to 0 when charging beyond 100.
- 💌 Fixed an issue where the traits icons of rats were displayed abnormally in the statistics panel.
- 💌 Fixed an issue where an error occurred when the state of a storage was changed while a Porter Drone was in transit.
- 💌 Fixed an issue where controller vibration settings were not saved.
- 💌 Translations for Help have been applied.
- 💌 Mitigated an issue where drones would often get stuck in walls.
- 💌 Fixed an issue where the power consumption settings for the Drone Hangar and Joy Box were not functioning properly.
- 💌 Fixed an issue where using the in-game filter function caused an error.
- 💌 Fixed an issue where Halloween Pumpkin Ghosts repeatedly multiplied.
- 💌 Fixed an issue where the Stamina reduction rate modification effect for Ratrons was not being applied correctly.
- 💌 Fixed an issue where Ratizens could not catch fish when fishing outside the player's camera view.
- 💌 Fixed an issue where the area attack effect of greatsword-type equipment was not functioning correctly.
- 💌 Fixed an issue where items in storage could be remotely withdrawn using the statistics panel.
Patch List
💌Adjusted the respawn time of silkworms.
- Silkworms were originally designed as a rare animal resource, and as a result, their spawn time was much slower compared to other animals. Therefore, the spawn cycle of silkworms has been adjusted to be more in line with other animals.
- Silkworm spawn cycle: 300 -> 72
Bug Fix
- 💌 Fixed an issue where an error occurred when viewing information while the City Entrance was deactivated.
- 💌 Fixed an issue where the increase in the number of legislative restrictions under the "Path of Governance" effect was not applied when saving and loading the game.
- 💌 Fixed an issue where ceiling structures became inactive when attached to the roof in a triangular shape.
- 💌 Fixed an issue where research points were not awarded for blueprints that had already been researched when receiving blueprint rewards.
- 💌 Fixed an issue where the names of Status effects related to milestones were incorrectly displayed.
- 💌 Fixed an issue where exceeding the deployment limit occurred when selecting units from one Squad Headquarter to another.
- 💌 Fixed an issue where citizens at the Water Tank kept pouring water onto empty land when water evaporated at the moment they were carrying it.
- 💌 Fixed an issue where citizens would repeatedly gather from empty land when trying to Gather a plant that a Not-zard was standing on.
- 💌 Fixed an issue where the Path of Power Generation effect was not being properly applied.
- 💌 Corrected the text for the Path of Commerce trade speed bonus effect.
- 💌 Fixed a bug where the Path of Trading merchant gold increase effect was not applied.
- 💌 Fixed an issue where some UI elements were not functioning correctly when abandoning a diplomatic mission.
- 💌 Fixed an issue where food disappeared in the Royal Kitchen when selected while there was not enough Fullness available.
- 💌 Fixed an issue where the Broadleaf Tree did not properly receive the growth buff from the Shrine of Rabbit.
Fixed an issue where the intelligence bonus effect was excessively applied during exploration.
241007 Additional Notes
- 💌 Fixed an issue where an error occurred when at war with a nation that has many alliances.
- 💌 Fixed an issue where the tax rate was not applied when drafting tax laws based on income.
- 💌 Fixed an issue where the "Income over" condition was not displayed when drafting a Structure usage tax.
- 💌 Fixed an issue where the work hours set by labor laws were applied to Ratron, preventing them from going to charge.
We will continue to work hard to make a better game. Thank you.
Patch List
💌 The "Pick Up" feature has been added to the Drone Hangar.
💌 A list feature has been added to the UI where you need to select Storage or Storage Battery.
💌 Papyrus seeds have been added.
- Papyrus has been added as a cultivable item in the garden.
- The function to view the storage containing resources has been added to the resource category in the statistics function.
Bug Fix
- 💌 Fixed the issue where food was not consumed during citizen relocation.
- 💌 Fixed the bug where the General's Victory achievement was not being achieved.
- 💌 Fixed the issue where the effects of the Rabbit Shrine were not being applied correctly.
- 💌 Fixed the issue where snails and silkworms were passing through doors.
- 💌 Fixed the issue where The Greed would disappear when mining tiles around The Greed.
- 💌 Fixed the issue where the reforging effect UI was displayed on Ratron.
- 💌 Fixed the issue where product inspection was possible in the Mint's work conditions.
- 💌 Fixed the issue where the job filter did not work properly when assigning citizens.
- 💌 Fixed the bug where it was impossible to enter the mission list after receiving a mission in the diplomacy room.
- 💌 Fixed the issue where enemy reinforcements were fixed to specific city troop types during invasions of other cities.
We will continue to work hard to make a better game. Thank you.
The following includes updates applied from Monday to Thursday.
Patch List
The lizard territory expansion cycle has been adjusted to be proportional to the game difficulty.
The Kingzard will now appear when there are three or fewer nests remaining.
- Now, the Kingzard spawns with a small group of enemies.
💌The number of lizards generated at once for nest defense has been significantly reduced.
- Now, additional small groups of enemies will spawn during nest demolition.
- 💌To reduce the accidental destruction of animal habitats, the health of objects will now recover slightly over time.
- 💌Criminals can no longer be arrested in dungeons and invasion maps.
- 💌An alert has been added when there are no Ratizens available to use service buildings due to class restrictions.
- The loading animation for city invasions has been updated.
Bug Fix
- 💌Fixed an issue where save data accumulated and increased in size after invasions or dungeon entry.
- Loading the affected save file will now save data at the normal size.
- 💌Fixed an issue where existing statistical data was not reset when starting a new game.
- Statistical data has been reset for some save files.
- 💌Improved an issue where Ratizens wandered around without placing resources in blueprints.
- 💌 Fixed an issue where the speed adjustment function of the bed would not turn off when an event occurred while it was activated.
- 💌Fixed a bug where negative values appeared on the resource price graph during trade.
- 💌Applied missing translations when dispatching Ratizens for exploration, diplomacy, etc.
- Fixed an issue where information about research efficiency increase was missing in the leader information window.
- Fixed a bug where trade routes could be opened regardless of Relations.
Added on June 24th
- Fixed an issue where Ratizens would fall when saving and loading while using the elevator.
- Fixed an issue where costs were not being paid even when hiring mercenaries for invasions.
- Fixed an issue where the [Let's Be Friendly] achievement could not be achieved.
- Fixed an issue where the screen transition was not smooth when executing an invasion.
- Fixed an issue where roof edge tiles could still be climbed like a roof even when replaced with regular tiles using the tile replacement feature.
- Fixed a trade bug caused by rabbits and water.
- If these trade items were being traded, the trade will be canceled.
- Implemented a temporary fix for the issue where demolition orders could not be issued for lizard road tiles.
- These tiles can be demolished after destroying the nest and issuing a 'mining' command.
- Fixed an issue where the "Fired" debuff would not be removed when assigned to a new job.
- Fixed an issue where Ratizens would remain suspended in mid-air if saved while falling.
- Fixed a bug that occurred when a soldier was assigned to a campsite and then demolished, followed by a save and load.
- Extended the respawn cycle of new lizard lairs to 24 days after all lizard nests are destroyed (previously 12 days).
- Fixed an issue where an invasion alert would appear even when there were no lizard nests to invade.
- Standardized the number of allied soldiers that can be hired for Invasion to match the number that can be hired at the campsite.
- Each troop type: 5 → 3
- Added soldier outfits to the Royal Wardrobe.
- Fixed an issue where the amount of items obtained during exploration was proportional to "Strength" instead of "Carrying Capacity".
- Fixed an issue where diplomacy was not possible with a city at war with another country.
Added on June 25th
- Fixed the issue where weapons would disappear after entering the management tab in battle mode.
- Fixed the issue where the cost was not deducted when proposing an alliance.
- Fixed the issue where the calculation formula for war reparations was incorrect.
- Fixed the issue where it was possible to designate a rally point at the ruins after clearing a dungeon.
- Fixed the issue where tiles that could be destroyed after demolishing a lizard nest became indestructible upon reloading.
- Fixed the issue where mercenaries could not shoot arrows upwards.
- Fixed the issue where some sound effects would continue to play even when starting a new game.
- Fixed the issue where the prosperity level displayed in the diplomacy window reflected the actual city prosperity level with a one-day delay.
We will continue to work hard to make a better game. Thank you.
Patch List
Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again.
3 new structures are added.
▼Infrastructure
- Plate Block
- Solar Panel
{STEAM_CLAN_IMAGE}/43311876/a2a8267e96875c88dccd6229a90eaf4b7becadc6.gif
- Electric Crematory
{STEAM_CLAN_IMAGE}/43311876/16eac14084b388507f302c603ce31f89cf97751a.gif
- 💌 Added a structure notice for workers unable to engage in production activities due to lack of material costs.
- 💌 Added an enable/disable function to the Maintenance Office.
Bug Fix
- 💌 Adjusted the prosperity gauge in the economy tab of the statistics window to show progress from current level to the next.
- 💌 Fixed an issue where the currency exchange graph was not updating.
- 💌 Fixed a phenomenon where allied soldiers fall to their deaths after returning from the weasel dungeon.
- 💌 Fixed an issue where the connection status does not update despite connecting transmission wires or tiles to power generation structures.
- Fixed a bug where Xbox controller images appear when using DualShock or DualSense.
- Fixed an issue where gamepad images obscure text during tutorials.
- Fixed a problem where the "Steel Reign" achievement was not being awarded on Steam.
3월 11일자 추가사항
- 💌 Improved the UI of the Royal Forge minigame.
- Fixed an issue where there were errors in the success and failure judgments of the Royal Forge.
- Fixed an issue where some event options were missing.
- Fixed an issue where the trade log was not being saved properly.
- Fixed an issue where the exchange log would not refresh details upon mouse click.
- Fixed minor translations errors in the statistics window.
We will continue to strive to make a better game, thank you.
Bug Fix
- Fixed the issue where some Ratizens kept failing to find their path when using the railway.
- Fixed the issue where the tooltip for the shortage of production materials was not appearing.
- Fixed the issue where trading certain resources was causing errors.
- Fixed the issue where the exit button was not appearing when using the Help page in the Menu window.
- Fixed the issue where Spitters were appearing in every invasion by default.
- Now the easy difficulty level will be appropriately easier.
We will continue to provide updates for improvements in the future, enhancing player enjoyment. Thank you all for the support.
Patch
- Adjusted Code Stone to reactivate active laws before destruction, when restored.
- Added 4 new hairstyles for the leader.
- Added scroll bar on Task Condition function.
- Adjusted height of weather so that rain or snow would not created under high roofs.
- Changed Storage’s Store or Release setting’s Default function to “Active All” and “Disactive All”.
- Added section that shows ingredient stored in the storage when choosing the products on structures.
- Added exclamation mark on the resource that is in short of when producing resources.
- Ratizens who revolt will no longer be unassigned from workplace automatically.
- Adjusted Fishery’s maximum depth of fishing. (2tiles → 3 tiles)
- Lift Rope blueprints can be placed on the other tile-structures, such as walls, ladders, and roofs.
- Currently the other way around is not possible, and this will be fixed on the next update.
- Motion that the doctor had before carrying the Wounded Ratizen got removed. Doctors now works with better efficiency.
- Resource list when choosing the storage for the Production Structures will now display maximum capacity and currently stored amount of the storage.
- The leader will now have special effect on falling when wearing Bat Cape.
- Improved visibility of option adjustment function on placing blueprints.
- Photo mode now cannot be used in the Dungeon.
- Added new recipe to make Grilled Fish with Angler Fish.
- Added new recipe to make Lime Powder with Coral.
Bug Fix
- Event: “Foods for the poor” now shows the texts properly.
- Event: “Foods for the poor” now has a proper cool-time.
- Trading: Error codes would not be displayed when using trading UI way to quickly.
- Trading: Expiration date is now displayed properly as measured.
- Statistics: Now measured properly after exiting from the dungeon.
- Ratizen details: Hypertension now appears properly when it’s the cause of death for a Ratizen.
- Ratizen details: Improved readability of Ratizen’s general status page.
- Game Menu: Days of playing appears properly on the game menu.
- Game Menu: Fixed the bug caused by changing HUD option in the game menu.
- Game Menu: Sound in Background option no longer mutes the game.
- Fixed icons that were not changing their sizes when using default camera function.
- Fixed controller button icons are not displaying properly.
- Fixed unlimited healing power of Weaszards. They will now have area limit.
- Fixed the bug that the Ratizens enjoying school too much. They will no more prioritize to visit school all the time.
- Fixed the bug that the Fragile Ratizens keep visiting hospitals repeatedly.
- Fixed the bug that some objects continue to grow during the winter.
- Fixed the bug that used up crematory is displayed like the new one when destroyed by the enemies.
- Fixed the bug Silviculture Post is burning on the backside when destroyed.
- Fixed the bug that using Admin Function canceling the sleeping motion of the leader. It will now awake the leader properly.
- Fixed the bug that Wounded Ratizens acts as if they are climbing down from the upstairs when placed on a bed.
- Fixed the bug that blueprints of plants are not appearing when using the Large Garden.
- Fixed the bug of scarcely-canceling all issue on changing the plant on the Gardens.
- Fixed the bug of remaining criminal effect even after the Ratizen becomes in peaceful state.
- Fixed the error happens when prosperity levels up while using filters.
- Fixed the error happens when using Hero’s Pickaxe on weasel tiles.
- Fixed the error happens when save and load after unassigning Ratizen from Hygiene structure.
- Fixed the bug that the modified commercial laws affecting on the next game.
- Fixed the error scarcely happening when snow melts.
- Fixed the number of food resource UI to not break the line even after 100k.
- Fixed the research progress appearing oddly on left top alarm when researching 0 point cost research.
- Fixed storage on task condition’s resource amount check to check the “Get from Storage”.
- Already placed plants objects no longer deactivates Weasel Dungeon.
- Fixed the bug that the Weasel Dungeon can be cleared repeatedly.
- Fixed the error happens when Silkworm fall down to death.
- Fixed error occured scarcely when save and load.
- Added new icon for hospital.
- Fixed word highlights in some languages that were showing differently.
- Fixed vertical attack area of enemy weasels.
- Fixed falling issue of allied soldiers when jumping over a gap.
- Fixed Piggy’s pattern continuing issue even after the boss gets stunned or slayed.
- Fixed statistics page to measure the resource amount properly.
- Fixed not-spawning weasel tend issue when new weasel spawining points are placed.
- Fixed a lock icon appearing on some items in the Royal Forge.
- Fixed the issue that alarm showing on left top side even when Ratizens are sufficient of everything.
- Fixed the but that some structures cannot be placed under decorations.
Current Release
Not available
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
2.8 GB
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