Xonotic arena FPS now runs in the browser with P2P multiplayer via WebAssembly

astlouis44 ported Xonotic, the open-source arena first-person shooter, to WebAssembly so it runs entirely in the browser — no install required. The addition of peer-to-peer multiplayer makes it a functional gaming experience, not just a tech demo, and shows how far Wasm has come for porting non-trivial native game engines.