9 Field Guides

All GRAIN ROT Guides

Survival routes, systems, upgrade advice, and co-op tactics for every stage of your descent into the Deep Layers.

Learn the extraction loop, essential controls, and the safest route through your first descent.

Read the cursed elevator, navigate shifting ruins, and bring your haul back alive.

Repair rooms, place constructs, and spend every Scrap where it matters most.

Leave a broken body, possess a new vessel, and keep your Spark alive in the dark.

Understand Rot buildup, warning signs, and the risky cure waiting in the sunlight.

Use mallets, compasses, repair glue, weapons, and utility items without wasting them.

Level every room and turn a ruined shelter into a reliable base for deeper runs.

Assign team roles, protect lost Sparks, and extract together when the run turns bad.

Recover missing equipment and understand what happens to gear between sessions.