Binding of Isaac: Rebirth Wiki
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The Catacombs is one of the environments of Chapter 2.

The Catacombs are unlocked once each boss in Error: The given stage ("The Caves") does not exist. has been defeated.

Monsters

Degraded Bosses

Bosses

Boss Carrion Queen
Boss Dark One
Boss Gurdy Jr.
Boss The Hollow
Carrion Queen Dark One Gurdy Jr. The Hollow
Boss The Husk
Boss Peep
Boss Polycephalus
Boss The Wretched
The Husk Peep Polycephalus The Wretched
Boss The Fallen
Boss Pestilence
Boss The Forsaken
The Fallen Template:DevilRoomRequired The Headless Horseman Needs to be unlocked Pestilence Needs to be unlocked The Forsaken (except in Rebirth) Needs to be unlocked
Boss The Frail
Boss The Stain
Boss Big Horn
Boss Rag Mega
The Frail (except in Rebirth) Needs to be unlocked The Stain (except in Rebirth) Needs to be unlocked Big Horn (in Afterbirth † and Repentance) Needs to be unlocked Rag Mega (in Afterbirth † and Repentance) Needs to be unlocked

Double Trouble

Double Trouble Bosses
Boss Dingle
Boss The Duke of Flies
Boss Gemini
(Double Trouble)
Dingle
(Double Trouble)
The Duke of Flies
(Double Trouble)
Gemini
Boss Larry Jr.
Boss Monstro
Boss Pin
(Double Trouble)
Larry Jr.
(Double Trouble)
Monstro
(Double Trouble)
Pin

Unlockable Achievements

  • Spelunker Boy
    Spelunker Boy - Beat Chapter 2 without taking damage.

Music

The music for the Catacombs is titled Capiticus Calvaria. Calvaria is Latin for "Skull", and while Capiticus does not have a true definition, it most likely comes from the word Caput, meaning "Head", or Capitulum, meaning "Chapter".

Binding of Isaac: Rebirth OST


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