The Shiptest Codebase
You can make it - Open Source MMORPG Platform
Fast and lightweight JavaScript game engine built on WebGL and glTF
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.
90-ball bingo with sound
javascript chess games viewer for websites, blogs and live broadcasts
3rd Party Video Games Developer: MetalManGames, titles of games
An elegant Go board and SGF editor for a more civilized age
An open source blooket auto-player / cheat
Bitburner Game
games for kids
Space shooter style game arcade version - Games/Entertainment Software
The imaginary eight-bit machine
A question-answer game for various trivia topics for road-trips
Baystation's flavor of Space Station 13
Multiplayer online game using Phaser + WebSocket (Socket.IO)
The best code this side of the galaxy
Edition of football teams on HTML canvas- javascript source
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Open source script based on Master XLS