# Binding of Isaac: Repentance | Browser Port Technical Specification
> Play Binding of Isaac: Repentance in your browser through Utka. Compare the listed controls, project notes and source links before playing.
- **Canonical URL:** https://portedtobrowser.com/games/binding-of-isaac-repentance
- **Direct Launch URL:** https://tboi.online/
- **Original Platform:** Windows PC (2021)
- **Port Architecture:** Pico-8 / Web Native (Modern HTML5 Canvas / WebGL)
- **Asset Requirement:** Instant Play
- **Download Footprint:** 20 MB
- **Save Mechanism:** Browser LocalStorage/IndexedDB
- **Ported By:** Utka
## Overview
Binding of Isaac: Repentance is a web-ported Windows PC classic compiled for modern browser execution using Modern HTML5 Canvas / WebGL.

Featuring responsive input handling, client-side memory management, and hardware-accelerated rendering, this port allows you to experience the authentic gameplay of Binding of Isaac: Repentance with zero local software installation.
## Controls Guide
- Arrow Keys / WASD to move
- Action keys or mouse click to interact.
## Legal & Preservation Notice
Binding of Isaac: Repentance is the trademark and property of its original creators and copyright holders. This technical index links exclusively to third-party web ports and decompilations and does not host or distribute copyrighted game binaries.