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A classic, in your browser
The Binding of Isaac: Repentance+
Clear randomized rooms, combine unusual items and learn enemy patterns in Isaac’s run-based dungeon crawler.
Play in your browserOpens the community project in a new tab.Before you jump in
The Browsing of Isaac recompiles Repentance+ for the browser and targets desktop Chromium and Android browsers. The public play page loads the game; building the source yourself is a separate workflow requiring your own copy. Runs combine room combat with item choices, while unlocks persist between runs. The project documents touch controls, gamepads, local saves and a mod browser.
Project page & credits- Game files
- No game files to provide
- Controls
- WASD move, arrows shoot, Space active item, Q card/pill, E bomb; touch or gamepad supported
- First launch
- Allow time for resources to load
Start here
How to play The Binding of Isaac: Repentance+ in your browser
- Open tboi.online in a supported browser and let its engine and content finish loading.
- Choose a save slot, begin a new run and select an available character.
- Move with WASD and shoot with the arrows. On a phone, use the left thumb to move and the right thumb to shoot.
- Clear rooms, collect items and reach each floor’s boss. Use the page’s Saves export before clearing data or moving to another browser.
Project information reviewed 2026-10-16. The game runs on the linked project’s website.