It’s not about HTML5, it just needs to be playable in a browser: > All entries must be web-based, i.e. playable in a browser. HTML5, WebGL, Unity, Torque 3D, N

It’s not about HTML5, it just needs to be playable in a browser: > All entries must be web-based, i.e. playable in a browser. HTML5, WebGL, Unity, Torque 3D, Node JS, Flash are all possible - just be sure the source is made available on your fork. https://github.com/blog/1303-github-game-off https://github.com/blog/1303-github-game-off