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Nuh Uh!

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 566
Description: ???
Requirement: Defeat Isaac, ???, Satan, and The Lamb as Tainted Eden

How do you unlock Nuh Uh!?

In The Binding of Isaac, Nuh Uh! is unlocked by earning every normal-mode completion mark as Tainted Eden.

Structured pathSource-backed requirements are mapped into trackable steps.

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See the full unlock path for Nuh Uh! — 6 steps

All of
- Tainted Eden → Isaac (normal)
  - Tainted Eden
- Tainted Eden → ??? (normal)
  - Tainted Eden
- Tainted Eden → Satan (normal)
  - Tainted Eden
- Tainted Eden → The Lamb (normal)
  1. Defeat Satan 5 times to unlock The Negative. source
  2. The Negative is a guaranteed drop from Mom; take it, then defeat Satan in Sheol and touch the chest to enter Dark Room. source
  3. Find and defeat The Lamb in Dark Room. source
  - Tainted Eden

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What unlocking Nuh Uh! leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13