About the Game

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Plan ahead, outsmart enemies and progress a world of dark creatures and cunning evil. Utilize playful and tactile weaponry in visceral and intense combat. Create unique builds by combining weapons, gear, tools, and enchantments to suit your playstyle. Whether you’re a gun-blazing risk-taker or a careful strategist, the choice is yours. Adapt your approach, experiment, and survive the dangers of Sulfur.
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Enter a world packed with relentless action, powerful firearms, and dynamic FPS combat, where unpredictable enemies lurk in every shadow. Arm yourself with an array of weapons that can be modified and enchanted with a vast range of attachments and effects.
As you explore, uncover hidden secrets, collect valuable loot, and discover rare treasures – but tread carefully. Every decision counts: the gear you bring may be lost if you fail, and the equipment you leave behind won't be there when you need it most. Risk and reward are tightly intertwined in every choice you make.
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Experience the atmosphere, suspense and tribulation of a world in redemption. What happened? And why? Travel through eerie caverns, sordid Black Guild shanties, putrid sewers and pass through castle walls and beyond. Go deeper, head on. Answers come to those who listen.
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Explore, discover, uncover. On your adventure you encounter strange creatures in unexpected places—pay attention to their warnings. Whether they despise, admire, or ignore you, your path is yours to forge. Stay alert; these encounters may offer insights, but ultimately, it’s up to you to push forward and find the answers you seek.
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A bloodstained white collar
Dirt on your shoes
Your shoulders are aching
Is this but a ruse?
A coven is suspect
A church is aflame
Who is the culprit?
Who is to blame?
Ocean screaming,
Twisting turning
Mouth is dry,
Eyes are burning
But you must tread on,
There is no remorse
Brush the saltwater film
off your Palehorse™
Screenshots
9 images
Version Information
Steam Patch Notes
Official update history
- Fixed Emperor using the wrong rocket type.
- Fixed a layout UI issue with the Save slot cards.
- Banished cards should now persist through mid-game saves.
- Laser weapons have bullet drop again
- Enemy take damage animations now play again.
- Fixed a Terrorbaum crash related to grenades.
- New Sulfur Grenade animations.
- New Molotov Cocktail animations.
General
Barrel Boy no longer bumps into things when doing their jump attack.
Enemies in the same faction can now hit each other again.
Fixed some weapons not giving achievements when sacrificed. If you have already sacrificed those weapons the achievements should be given retroactively when opening the printer.
Fixed Amulet breaking dialog triggers.
UI
Fixed Save Profile UI breaking or overflowing in different locales.
Added a confirm dialogue when prompted about enabling cheats on old saves.
Audio
Music now loops properly again.
Levels
Added back missing pillars in Church Hub.
Fixed some level generation issues in Forest
Fixed broken mesh leading up to The Emperor.
Fixed some level generation issues in Desert.
Weapons
Adjusted some muzzle attachments on the Gravekeeper to better connect with the barrel.
New Stick Grenade animations.
New Throwing knife animations.
New Pineapple Grenade animations.
Railguns will now bounce and penetrate again.
[img src="{STEAM_CLAN_IMAGE}/43531514/5b60c934d403a04da641dce95ca8cb7e186456b4.png"]
Major updates:
Weapon Progression System: Sacrifice rank 5 weapons to Telia for permanent availability for a cost
2 new weapons
Save Slots introduced
Roguelite difficulty settings tied to save slots - Hard by default.
Aim assist options added for controllers.
Big patch - We’ve added one of the biggest long-term progression systems to SULFUR so far!
Welcome Telia to the world of SULFUR. She’s here to research weapon blueprints for the survival of mankind. Sacrifice Rank 5 guns to her, and she’ll make them permanently available to manufacture for a cost. You can then purchase fresh base versions for a cost If you’ve ever had a favorite gun type you really didn’t want to lose - now you have options, but they won't come for free.
Oh, but that’s not all. Save slots are now in the game, so you can share with your brothers and sisters, and spouses, and that friend you don't want to mess with your shit. Also the new difficulty settings are tied to each save slot, so that same friend can keep more of their stuff and enjoy the game even with skill issues. We have also added gamepad aim assist, introduce two new weapons, and a whole bunch of balancing, fixes and level improvements made their way in as well.
Enemies now behave a bit differently too. Some can stay back, flank, and try to ambush you instead of always running straight into death. Which felt unfair to everyone.
As always, since there are some bigger changes in this update, there may be some unintended consequences. We’ll be keeping an eye on the bugs channel in Our Discord and hotfix any serious issues as quickly as possible.
Progression, Save Slots & Difficulty
New NPC: Telia.
New Service Station: Replicator.
Sacrifice Rank 5 weapons to permanently unlock manufacturing access for a cost.
Save slots added.
Difficulty settings added and tied to individual save slots, limiting how much you lose on death. Hard is the default "roguelite" difficulty.
Save scumming by pressing ALT + F4 will no longer save you from the death screen. If you want to do that, you better do it before your health reaches zero.
[img src="{STEAM_CLAN_IMAGE}/43531514/0d018c6a24fc3e1865c12fe006231a656fa8a466.png"] New Save Selection Screen
[img src="{STEAM_CLAN_IMAGE}/43531514/77c0d031787720b393bd5f9071256eabb58c6895.png"] New Difficulty Settings; Hardcore, Medium, Easy and Very Easy
General
Added aim assist options for controllers. On very low by default, try them out in settings.
You can now save and quit between floors, and between endless mode stages
New achievements for Telia
Emperor explosions switched to the new system.
Explosions no longer affect the player’s velocity until we figure out some cool explosion knockback system.
Enemies can now stay back and attempt to ambush players for more varied encounters.
Shooting enemies no longer damages other enemies, preventing them from killing each other.
Lowered the difficulty in some specific Endless waves.
A memory leak was fixed.
Food now queues in your stomach, and you will digest the fastest health gain first.
Novanian Guards are now able to destroy breakable walls with their swing attack.
New Throwing Knife animations.
New Weapons
New weapon: Chimera Rapid, a 5.56mm SMG
New weapon: Black Water, a 50 BMG Revolver
[img src="{STEAM_CLAN_IMAGE}/43531514/c7f0d44394f6bfa516e042032157fa643728fa73.png"]
2 New weapons to your disposal
Bugfixes & Balancing
Railguns now penetrate all enemies as they should
Cryo grenade explosion decal is back to normal. No square.
Skeletons now spawn "organs" (bones) as they should.
Dead skeletons now get destroyed by rail guns.
Emperor physics improved.
Bullet drop now affects laser weapons again, as it did before.
Novanian Guards Helmet break effect now actually makes sense.
Novanian Guard no longer has a wonky hitbox on the "core". Hopefully.
Novanian Guards are now able to destroy breakable walls with their swing attack.
Fixed an issue where the car could get stuck at the end of the game.
Fixed Black Guild Tracker mask.
Rockets are now no longer choppy in slow motion.
Fixed rendering issue on Lucia’s face.
Civilian Man now has human organs instead of goblin organs.
Fixed an issue where the locked door in Caves 5 could incorrectly open.
Shav’Wa Wardens and Craw Sentinels no longer enter invulnerable states when attacked by enemy NPCs.
Resetting increased service costs through Arthur’s dialogue now costs 5 Stamps instead of 1.
DHL Demon no longer resets the Holoreality Projector when resetting shops.
Throwable projectiles from Shav’Wa Grenadier, Cousin and Witch now appear again.
Adjusted Rokua’s fire rate and animation transitions to prevent fire spamming.
Adjusted Rokua’s Gun Crank size to prevent animation clipping.
Removed Augusta’s firing spam bug when transitioning to and from ADS.
Fixed an issue of the player getting locked when using the amulet during level transitions.
Fixed an issue of getting invalid dialogue options when using the amulet during level transitions.
Fixed an issue in endless where the last wave of enemies would erroneously transition to the next stage.
Gravekeeper muzzle attachments now no longer have a weird gap
Levels
Dungeon has a new entrance from Hedgemaze.
Castle shortcut from Hedgemaze has been remade.
Lucia castle is now visible in the outside onboarding area.
Church Hub has received some visual upgrades.
Fixed various collision related issues in Caves.
Fixed various overlapping issues in Caves,
Fixed some pathing issues in Caves.
Fixed items spawning underneath tables in Castle.
Fixed floating grass in Pools.
Fixed hole in Emperor Palace entrance.
Fixed various level generation issues in Desert.
Fixed half buried barrels in the Desert dropping loot underground.
Removed collision on the exit glow in crypts.
Fixed some visual issues in the End Boss level.
Fixed Desert Claus getting stuck in pillars in Endless sometimes.
- Fixed Terrorbaum crashing the game.
- Fixed Pilk giving the wrong number of extra jumps (said 3, but only gave 1. Now it correctly gives 3).
Bugfixes
- Fixed Item Descriptions ending up outside the screen in some resolutions and/or UI scaling sizes.
- Fixed Emperor’s name not being localized.
- Emperor’s floating objects etc. fixed.
- Corrupted Archer’s hitboxes have been fixed.
- Fixed an issue that caused the music to loop a single track after beating a boss.
- Fixed an issue in Endless where enemies/bosses could get stuck.
General
- Fixed an endless mode softlock due to not clearing projectiles properly on transitions.
- Fixed an endless mode softlock related to talking to NPCs in the level transition.
- Always drops organs beats never drop organs.
- Instant Defibrillator now restore you to 100 HP, instead of 1.
Bugfixes
- The projectile system should no longer break with specific weapon builds. If you encounter more projectile system breaking issues, report them in our bugs channel!
- Fixed bouncing projectiles
- Fixed facemask/breakable penetration
- Duhar’s ammo counter now displays the correct way.
- Aftershock 30 second reapplying stun fixed. It is now 5 sec as it should be.
- Frozen shattering enemies should now make the correct sounds.
- Added back white flash when juggling enemies in their death bounce
- Some organs would never spawn, like tongues. Now they all do!
- Water now doesn’t randomly splash if you walk into a corpse nearby.
- Gibs now sleep/turn off their collision on low and high quality effects mode
- Grass is now rendering properly through scopes
- Fixed an issue of Craw Watchers not entering their death animation when killed.
- Fixed Terrorbaum’s projectiles now firing correctly during his Bullet Rain Phase.
- Cousin’s Sludge Shield can now be blown up by grenades again.
- Bullet sizes now can go below 100%.
- Fixed Item Descriptions flickering.
- Witch Tumbleweed bombs now don’t explode when taking damage, they get pushed like intended.
- One of the witch phases that are supposed to clean up / kill minions, now work again.
- Craw Sentinel and Shav’Wa Warden now blocks as they should, again.
Levels
- New cave chunk added.
Current Release
21117379
Uploaded Dec 12, 2025
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System Requirements
How to Install
Sulfur.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
805 MB
21117379
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