You can make it - Open Source MMORPG Platform
05k0nz's legacy is safe
All of Minecraft, EASILY get Minecraft resources
An elegant Go board and SGF editor for a more civilized age
A fresh & lightweight javascript game engine
Fast, user-friendly cross-platform custom launcher for Minecraft
Contains the code for CM-SS13
LayaAir is an open-source 2D/3D engine
The Tiny JavaScript Game Engine That Can!
Ct.js is a desktop game engine that makes learning programming fun
Frankenstein lived
TGMC: TerraGov Marine Corps, a SS13 mod
RTS game with the theme of Strategy by Design
FlightGear Flight Simulator: free open-source multiplatform flight sim
0 A.D. is a free, open-source, cross-platform real-time strategy game.
PoC Minecraft client written in Javascript
javascript chess games viewer for websites, blogs and live broadcasts
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
JavaScript-based game engine designed to empower developers
JavaScript framework to build game engines, games, emulators and apps
Custom launcher for modded minecraft written in Electron and Node.js
Free, open source game engine online
3rd Party Video Games Developer: MetalManGames, titles of games