I ported Xonotic (arena FPS) to WebAssembly with full P2P multiplayer
Arena FPS running entirely in-browser via WebAssembly with working P2P networking.

WC3 Warlocks minigame recreated in the browser with online multiplayer.
WC3 nostalgia fans and browser multiplayer game enthusiasts
Warcraft 3 · Smash Bros browser clones
Arena FPS running entirely in-browser via WebAssembly with working P2P networking.
Deterministic maps with 3D replays make debugging agent behavior actually possible.
Color memory game with multiplayer, but the mechanic is one gimmick.
Warcraft 2 clone built in 10 hours with Claude — impressive scope, crowded category.
Watching AI agents bluff in Poker is the emergent behavior demo we actually needed.
Faithful Encarta nostalgia that actually runs in modern browsers without plugins.