Store Upgrade lv.3
No public description is available.
Uncommon37.7%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.
Dad's Key
No public description is available.
Uncommon37.9%last reported global rate
Rotten Penny
Unlocked a new item.
Uncommon38.6%last reported global rate
Little Steven
No public description is available.
Uncommon38.7%last reported global rate
Lord of the Flies
You became Lord of the Flies.
Uncommon38.8%last reported global rate
It Lives!
Your future's past waits.
Uncommon39.0%last reported global rate
Suicide King
No public description is available.
Uncommon39.0%last reported global rate
Something Cute
New boss in the caves!
Uncommon39.4%last reported global rate
???
No public description is available.
Uncommon39.7%last reported global rate
Something Sticky
New boss in the depths!
Uncommon39.9%last reported global rate
A Halo
No public description is available.
Uncommon40.3%last reported global rate
Sprinkler
Unlocked a new item.
Uncommon40.3%last reported global rate
A Fetus in a Jar
No public description is available.
Uncommon40.4%last reported global rate
Demo Man
No public description is available.
Uncommon40.4%last reported global rate
Black Candle
No public description is available.
Uncommon40.5%last reported global rate
A Forgotten Horseman
Unlocked a new boss!
Uncommon40.6%last reported global rate
Death's List
Unlocked a new item.
Uncommon41.1%last reported global rate
A Quarter
No public description is available.
Uncommon41.2%last reported global rate
Cat Got Your Tongue
No public description is available.
Uncommon41.6%last reported global rate
Guppy's Hairball
No public description is available.
Uncommon41.6%last reported global rate