Back to The Binding of Isaac: Rebirth
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.

301
The Deceiver

No public description is available.

Rare
15.2%last reported global rate
302
Brown Nugget

Unlocked a new item.

Rare
15.3%last reported global rate
303
Locust of Famine

Unlocked a new item.

Rare
15.3%last reported global rate
304
The Harlot

No public description is available.

Rare
15.3%last reported global rate
305
Old Capacitor

Kill 10 Battery Bums.

Rare
15.4%last reported global rate
306
Sworn Protector

Unlocked a new item.

Rare
15.4%last reported global rate
307
Blind Rage

Unlocked a new item.

Rare
15.5%last reported global rate
308
Duality

Unlocked a new item.

Rare
15.5%last reported global rate
309
Blank Rune

Unlocked a new item.

Rare
15.6%last reported global rate
310
Devil's Crown

Complete the Corpse with Azazel.

Rare
15.6%last reported global rate
311
Dirty Mind

No public description is available.

Rare
15.6%last reported global rate
312
Locust of Pestilence

Unlocked a new item.

Rare
15.6%last reported global rate
313
The D100

No public description is available.

Rare
15.6%last reported global rate
314
Buddy Baby

Unlocked a new co-player baby.

Rare
15.7%last reported global rate
315
Empty Vessel

Unlocked a new item.

Rare
15.7%last reported global rate
316
Maggy Now Holds a Pill!

Unlocked a new starting item.

Rare
15.7%last reported global rate
317
Marrow

No public description is available.

Rare
15.7%last reported global rate
318
Athame

Unlocked a new item.

Rare
15.8%last reported global rate
319
Book of Virtues

Complete the Cathedral with Bethany.

Rare
16.0%last reported global rate
320
Eden's Soul

Unlocked a new item.

Rare
16.0%last reported global rate