What this wiki covers
This is an independent fan-made wiki for GRAIN ROT. It is structured around the most common player queries, with one canonical page per keyword rather than overlapping articles. Every fact is sourced; uncertain items are marked 待确认.
Game identity
- Title: GRAIN ROT
- Developer: Beck & Branch Games
- Publisher: Neem Interactive
- Genre: Horror co-op extraction builder
- Platform: PC (Windows, Steam) — App ID 4450620
- Release: 2026-08-07
- Price: USD 19.99 (launch-week 10% off)
- Co-op: Online up to 4 players
- Solo / Family Sharing: Supported
Core lore (verified)
The world is a post-apocalyptic ruin. The surface is a scorched wasteland where exposed objects ignite. Players are Living Sparks — sentient artificial souls created by the Ancients — inhabiting fragile wooden Vessels. Two NPCs, Biggie and Murch, rescue the player at the start.
Core systems (verified)
- Vessel classes — Builder is the default; more unlock through Outpost upgrades.
- Tools — Mallet (early), swords, heavy hammers, firearms, compasses.
- Grinder — Converts debris into gold at the Outpost.
- Outpost / Sanctuary — Acts as a talent tree with dining hall, warehouse, second floor.
- Rot mechanic — Deep layers distort geometry, voices and enemy behavior.
Uncertain items (待确认)
- Exact demo-download figures (200k wishlists and 350k demo downloads are repeated across outlets; 待确认 whether official).
- Specific recommended-tier GPU models on the official store page.
- First-party Chinese localization beyond Steam auto-translate.
Browse by topic
- Gameplay — Beginner Guide, Tips, Extraction, Weapons.
- Mechanics — Living Spark, Vessel, Corrupted.
- Progression — Outpost, Base Building, Quest.
- Multiplayer — Co-op, Multiplayer.
- Store — Price, Release Date, System Requirements, Review.