1. The Binding of Isaac: Rebirth Achievements
2. Big Baby achievement

The Binding of Isaac: Rebirth

Steam Deck Verified

10,978

637

4.64

16,878

1,265 (7%)

200+h

GravitySloth

5,920

398

05 Nov 14

476h 12m

Add-on

Afterbirth

1,533

980

98

4.64

11,996

2,748 (23%)

200+h

Big Baby achievement in The Binding of Isaac: Rebirth

Big Baby

Unlocked a new co-player baby.

0

28 June 2017 - 1 guide

How to unlock the Big Baby achievement

• Appotheozz134,733

  07 Apr 2022 30 Mar 2022 30 Mar 2022
  0 0 0

  Defeat Mega Satan as Lilith

• Have you got any tips or tricks to unlock this achievement?
  Add a guide to share them with the community.

  Sign in and add a guide