Independent field guide / verified sources
GRAIN ROT
First run? Start here. Learn the 1-4 player extraction loop, make a clean descent, and rebuild the Outpost without guessing past the evidence.
Answer-first index
What players are checking now
Sixteen focused pages for current player questions.
Enemies and counterplay
Identify community-named threats by sound and behavior, then choose the safest escape, trap, or fight.
Read guide OutpostOutpost upgrade order
Choose health, stamina, damage, Workshop, or elevator progress based on what ended the last run.
Read guide Item guideRepair items and weapons
Separate healing supplies from the second-floor machine used to repair and enchant damaged gear.
Read guide Status effectRot sickness cure
Use the documented community fire methods, clear the Rot meter, and recover from the treatment damage.
Read guide Quest guideQuill investigation
Keep Forgotten Pages separate from the later Radio Tower and Ancient Facility 10/10 investigation.
Read guide Hidden mechanicsSecrets and overlooked mechanics
Useful Spark, light, healing, loot, symbol, and Fuse interactions collected from current gameplay videos.
Read guide CompatibilitySteam Deck status
Official platform facts, controller support, and the small, conflicting ProtonDB report set.
Read guide ModsCurrent mod list
A dated directory of current Thunderstore and Nexus packages with dependency and multiplayer cautions.
Read guide MultiplayerHow to invite friends and join public lobbies
Use the public server browser, host a password-protected game, invite friends, and troubleshoot current Patch 1.07 lobbies.
Read guide First runBeginner first-run guide
A grounded first descent plan: priorities, extraction, and the upgrades that matter after a run.
Read guide Item guideFuse, compass and elevator repair
Find the Fuse or test the community Compass shortcut, repair the broken elevator, and escape with the 40-coin requirement.
Read guide Solo guideSolo vs co-op strategy
How to plan a solo descent, when two players help, and which jobs become harder when one Spark covers the whole run.
Read guide MultiplayerHow many players?
Solo play, the 1-4 player cap, and what group size the official listing actually promises.
Read guide ReleaseRelease date and price
When GRAIN ROT launched, what the current Steam price is, and how to read regional purchase notes.
Read guide ReleaseDemo vs full release
What the demo established, the current Steam demo listing status, and what changed at launch.
Read guide SettingsFOV and motion sickness
Settings to check first when camera motion feels uncomfortable, with clear evidence boundaries.
Read guideGame overview
What is GRAIN ROT?
GRAIN ROT is a co-op extraction horror builder set in a scorched wasteland. One to four players ride a cursed elevator into shifting underground ruins, scavenge furniture and resources, and try to extract before the Corrupted close in.
You play as a Living Spark inside fragile wooden vessels. If a vessel breaks, the Spark can escape and search for another host; successful runs feed resources into persistent Outpost rebuilding and upgrades.
- Developer
- Beck & Branch Games
- Publisher
- Neem Interactive
- Platform
- Windows PC / Steam
- Genre
- Co-op extraction horror / builder
- Players
- 1-4 online co-op
- Release
- August 7, 2026
Watch trailer
Official media
See the descent before your first run.
The official launch trailer shows the Living Spark, breakable vessels, four-player underground runs, Corrupted threats, and the Outpost loop described in these guides.
Open the official launch trailer ->Ready for the elevator?
Make the first descent count.
Start with a repeatable objective, learn when to extract, then use the Outpost to prepare for the next run.