The Halo: Combat Evolved decompilation running in a browser, with online play for up to 128 people. Load an image of your own Xbox disc and go.
S.T.A.L.K.E.R. running in a browser tab on the open-source OpenXRay engine. Point it at your own game folder and walk into the Zone.
An open-world driving game set in real cities, playable in the browser. Customise a car and cruise around with friends.
Real Quake III deathmatch in a browser tab, with a live scoreboard and strangers already playing. Sister servers run Quake, Quake II, RTCW and Urban Terror.
Deliver letters around a tiny, hand-crafted 3D planet and chat with whoever you bump into. A small, gentle web game.
Fly anything from a Cessna to an airliner over real satellite imagery of the whole planet, in a browser tab, alongside other pilots online.
Monuments and cultural heritage scanned into detailed 3D models you can orbit in the browser, from the Trevi Fountain to small-town churches.
