Corpse

The Corpse is a new floor added in The Binding of Isaac: Repentance, which acts as 's alternative Chapter. It features a desolate and dreary atmosphere with enemies that carry the theme of death and advanced rot. The Corpse is one of five final levels in The Binding of Isaac, alongside, the ,  and.

To access The Corpse, the player must first open the flesh door at the end of the / II after defeating the Mausoleum version of Mom by doing one of the following:
 * Collect and , which are obtained via puzzles inside  and , to build the knife familiar, and stab the door with it.
 * Sacrifice one key and open the door by using.
 * can also open the door while simultaneously letting you keep the knife familiar.

(Note: The item can not be used to open the Flesh Door)

On the other side of the flesh door, the player will fight the Mausoleum version of Mom's Heart, after which the entrance to the Womb will turn into the Corpse entrance, which will take the player into the Corpse floor.

The boss of Corpse II is always Mother.

The cannot open doors to the I AM ERROR room in Corpse II. and cannot generate trapdoors in Corpse II. Corpse II cannot be exited through an I AM ERROR room (which themselves can only generate via clipping out of a Crawl Space). A passageway will generate within the error room which leads back to the starting room of the floor.

Monsters

 * }

Music

 * The music for Corpse is titled Carrion. The term “carrion” refers to the decaying flesh of dead animals.

The Binding of Isaac: Rebirth OST

Trivia

 * Corpse is the only Alternative Chapter to not have any alternative floors.
 * An unused floor named Mortis presumably as an alternative to Corpse exists in the game files.
 * In Antibirth, The hole to the Mother battle had 4 Golden Chests next to it that always contained items, similar to chests in The Chest.