The 100% free, open-source content replacement for the classic Doom engine playable in your browser.
Freedoom is a collaborative open-source project aiming to create a complete, free software game content set for the Doom engine. This browser edition pairs the Freedoom IWAD data with the PrBoom-Plus source port compiled to WebAssembly, ensuring maximum performance and full mouse-aim capabilities.
Freedoom is free and open-source software licensed under the BSD 3-Clause license. Not affiliated with id Software.
| Action | Input / Key | Supported Device |
|---|---|---|
| ● Move | WASD | Keyboard & Gamepad |
| ● Look & Shoot | Mouse | Keyboard & Gamepad |
| ● Weapons | 1-7 | Keyboard & Gamepad |
| ● Open / Use | Space | Keyboard & Gamepad |
| ● Automap | Tab | Keyboard & Gamepad |
| ● Menu. | Esc | Keyboard & Gamepad |
Freedoom: Phase 1 & 2 (PrBoom-Plus WASM) is powered by PrBoom-Plus / Emscripten WASM. It executes code directly inside modern browsers via WebAssembly (WASM) and WebGL 2.0 with hardware acceleration and 60 FPS performance.
Game progress is handled through Browser LocalStorage/IndexedDB. Save states are stored inside your browser's private IndexedDB sandbox. Avoid clearing browser cache or cookies to preserve your saves.
Yes! Modern Xbox, PlayStation, and Nintendo Switch gamepads are supported natively via the browser Web Gamepad API. Connect your controller before launching.
Yes. PortedToBrowser.com indexes open-source engine decompilations and verified web sandboxes. We do not host or distribute proprietary game ROMs or copyrighted binaries.
Initial verified release in the PortedToBrowser technical index.
