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Montezuma's Revenge

ItemRepentanceLocked

passiveGame ID 680★★★★

How do you unlock Montezuma's Revenge?

In The Binding of Isaac, Montezuma's Revenge is unlocked by earning the The Beast completion mark as ??? (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

While firing, Isaac charges up a short-ranged Brimstone-like diarrhea beam that shoots behind him.

See the full unlock path for Montezuma's Revenge — 5 steps

Montezuma's Revenge (Achievement)
- ??? (Character) → The Beast (normal)
  1. A Strange Door is unlocked by beating Mother for the first time. source
  2. Take The Polaroid or The Negative after Mom, escape the boss room, then use it to open A Strange Door. source
  3. Find Dad's Note, complete the Ascent to Home, then defeat Dogma, the Ultra Harbingers, and The Beast. source
  - ??? (Character)

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What unlocking Montezuma's Revenge leads to

Nothing depends on this yet.

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13