Rooms

Each zone is comprised of multiple rooms in a grid layout. Rooms cannot be exited while there are any enemies in it.

Regular rooms

Regular rooms contain enemies and have a high likelihood of containing a shrine.

Some rooms start with no enemies and specially marked in the minimap.

Has a lever that can be used up to 3 times to spawn enemies. When defeated, a chest will spawn.

Can deposit or withdraw coins. There's a limit of a 10 coin deposit per room. There are no withdrawal limits.

Contains the boss and the portal to the next area. Guaranteed to spawn.

Contains a locked chest. Sometimes has an extra chest behind a wall that deals 12.5 damage when walked through. Guaranteed to spawn.

Sells equipment, healing and stat boosts.

Contains an ability book or scroll. Requires a key to open.

Sells weapons and clip improvements.

Contains 4 equipment items. Whenever one is picked up, the other 3 will lower into bottomless pits.