Welcome to the basement

The Binding of Isaac:
Four Souls

From Flash to a tabletop card game, The Binding of Isaac: Four Souls and tons of cool merch! Sacrifice, betrayal, hoarding, and fun times with friends all in one place.

Start here
Four Souls
Plush
Figures
The story
Shop everything
How to play

The Binding of Isaac: Four Souls Boosted Ultimate Collection Bundle

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Get started

New to Four Souls? Grab a starter set or the base game, then build out with the big expansions and collections.

Play lanes:
Everyone
Strategy
Collector

All Four Souls →

The Binding of Isaac: Four Souls

The card game about sacrifice, betrayal and hoarding. Be the first to collect four souls.

How to play →

Boss room

Plush

Crying kids, demons and a slightly dead cat. Huggable, every one.

Item room

Figures, pins and more

Library

15 years in the basement

From flash, to rebirth, to the tabletop, and beyond: Isaac’s tears carry a decade and a half of legacy

2011
The Flash original

Edmund McMillen and Florian Himsl release The Binding of Isaac on Steam on September 28, made in about three months.
Isaac's mother lived alone…
2012
Wrath of the Lamb

The first expansion adds plenty of items, floors, and endings to an already stellar indie darling.
+ more basement
2013
Two million

The little Flash game passes two million copies sold.
and counting
2014
Rebirth

With the help of Nicalis, Rebirth arrives on PC, PS4, and PS Vita. The next big chapter in Isaac’s story.
a new run begins
2015
Afterbirth

Rebirth’s first DLC adds a wide variety of floors, bosses, items, and more!
+1 floor
2017
Afterbirth+

Afterbirth+ adds yet more content to the game, while also helping launch Isaac on the Nintendo Switch!
portable tears
2018
Four Souls

The card game's Kickstarter funds in an hour and a half and closes with 38,335 backers.
first to four souls wins
2021
Repentance + Requiem

The final chapter lands in March, and Four Souls: Requiem pulls in 47,854 backers.
sacrifice, betrayal, hoarding
2024
Repentance+

Repentance+ now comes with Online co-op, allowing you to fight your way through your favorite rooms and bosses with a friend!
bring a friend
2026
15 years old

On September 28, 2026, Isaac turned 15. And on top of all that history, Edmund's Mewgenics came out the same year.
happy birthday, kid
Nov
Repentance+ Online

Repentance+ Online is bolstered and polished, refining the newest way to play the little indie darling that grew into one of the greatest and most recognizable games of all time.
coming soon