Soul of Cain
No public description is available.
Rare6.50%last reported global rate
Steam
The Binding of Isaac: Rebirth Achievements
Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.
Total achievements641
Rarest rate2.60%
Ultra rare0
Last checkedSep 20, 2026
Delayed official data
Rates and award counts were last observed on Sep 20, 2026.
Temporary Tattoo
No public description is available.
Rare6.50%last reported global rate
The Tower
No public description is available.
Rare6.50%last reported global rate
Expansion Pack
No public description is available.
Rare6.60%last reported global rate
Holy Crown
No public description is available.
Rare6.60%last reported global rate
Wild Card
No public description is available.
Rare6.60%last reported global rate
Cursed Penny
No public description is available.
Rare6.70%last reported global rate
Soul of the Forgotten
No public description is available.
Rare6.70%last reported global rate
Strength
No public description is available.
Rare6.70%last reported global rate
The Hierophant
No public description is available.
Rare6.70%last reported global rate
The Real Platinum God
No public description is available.
Rare6.70%last reported global rate
Decap Attack
No public description is available.
Rare6.80%last reported global rate
Gilded Key
No public description is available.
Rare6.80%last reported global rate
It's the Key
Unlocked a new item.
Rare6.80%last reported global rate
Crystal Key
No public description is available.
Rare6.90%last reported global rate
Golden Battery
No public description is available.
Rare6.90%last reported global rate
Purgatory
No public description is available.
Rare6.90%last reported global rate
Soul of Samson
No public description is available.
Rare6.90%last reported global rate
Strawman
No public description is available.
Rare6.90%last reported global rate
Azazel's Stump
No public description is available.
Rare7.00%last reported global rate