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About The Binding of Isaac
The Binding of Isaac is a randomly generated action RPG shooter with roguelike elements. When Isaac’s mother hears the voice of God demanding a sacrifice to prove her faith, Isaac escapes into the basement. You guide him through droves of deranged enemies, lost brothers and sisters, his fears and, eventually, his mother, as he fights to reach safety.
Isaac’s journey
As you explore, you find bizarre treasures that change Isaac’s form and give him superhuman abilities. These powers help him fight mysterious creatures, uncover secrets and make his way through the basement.
Dungeons and enemies
The dungeons, items, enemies and bosses are randomly generated, so each run is different. The game has over 100 unique items, which grant powers and visually change Isaac, as well as more than 50 enemy types. Enemies can become “special,” making them more dangerous but causing them to drop better loot. You also face over 20 bosses.
Chapters and unlocks
The game spans four full chapters and eight levels. You can unlock more than three classes, multiple endings, and many additional items, enemies, bosses and other content.
Frequently asked questions
The best price for The Binding of Isaac is $4.99 at Steam. 7 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and The Binding of Isaac stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for The Binding of Isaac are: Windows XP, 1 GB RAM, 50 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. The Binding of Isaac is a single-player game.
Mostly, yes. Valve rates The Binding of Isaac as Playable on the Steam Deck: it runs, but may need some manual setup.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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