
Mini-Boss Rooms have a map icon but don't have a special door.Mini-Boss Rooms are iron barred shut upon entering unable to be escaped and opened, even by explosions, until the Mini-Boss is defeated.

Mini-Boss Rooms are identical in appearance to normal Rooms and contain one of the Seven Deadly Sins. It always spawns in the room that's as far from the starting room as possible. They will often contain a unique arrangement of items, objects, or pickups.īoss Rooms contain one of the many Bosses, with victory granting Isaac an item from the Boss pool, hearts (depending on difficulty), and a trap door leading to the next level. Sometimes even items.Ĭlosets are rare, small, dead end Normal Rooms. Usually those rooms contain numerous or rare pickups or chests. Normal rooms have occurrence weight assigned to them. Flooded rooms allow for unique interactions with some Items such as Jacob's Ladder and enemies. Sometime rooms can be "flooded" with water, blood, or lava depending on the Chapter.

Isaac cannot leave a Room with enemies until they are all killed or until a door is opened with an explosion. Many Rooms also contain various pickups, chests, items, and obstacles.

These Rooms typically contain enemies and may drop a pickup or chest after all enemies are killed. Normal Rooms make up the majority of the Rooms on a floor.
