# Arx Fatalis (Arxwasm Demo) | Browser Port Technical Specification
> Arx Fatalis (Arxwasm Demo) running directly in your browser via WebAssembly (WASM) & WebGL 2.0.
- **Canonical URL:** https://portedtobrowser.com/games/arx-fatalis-arxwasm-demo
- **Direct Launch URL:** https://wasm.continuation-labs.com/arxdemo/
- **Original Platform:** Windows PC (2000)
- **Port Architecture:** Native WASM Decomp (WebAssembly (WASM) & WebGL 2.0)
- **Asset Requirement:** Instant Play
- **Download Footprint:** 22 MB
- **Save Mechanism:** Browser LocalStorage/IndexedDB
- **Ported By:** Web Preservation Community
## Overview
Arx Fatalis (Arxwasm Demo) is an open-source web compilation running natively in modern web browsers via WebAssembly and HTML5 Canvas. It delivers faithful gameplay without requiring desktop emulators or local setup.
## Controls Guide
- Keyboard: Arrow Keys / WASD for Movement
- Space / Enter for Action
- Full analog controller support via Web Gamepad API.
## Legal & Preservation Notice
Arx Fatalis (Arxwasm Demo) is the intellectual property of its respective creators and copyright holders. PortedToBrowser.com hosts no copyrighted ROMs or proprietary binaries.