three.js by mrdoob

JavaScript 3D Library.

created at March 23, 2010, 6:58 p.m.

2,550 +3

103,272 +111

35,438 +14

godot by godotengine

Godot Engine – Multi-platform 2D and 3D game engine

created at Jan. 4, 2014, 4:05 p.m.

1,508 -1

91,839 +154

21,316 +24

pixijs by pixijs

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

created at Jan. 21, 2013, 10:40 p.m.

990 +1

44,129 +43

4,795 +1

phaser by phaserjs

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

created at April 12, 2013, 12:27 p.m.

1,203 -1

37,293 +36

7,103 +0

libgdx by libgdx

Desktop/Android/HTML5/iOS Java game development framework

created at Aug. 10, 2012, 7:34 p.m.

1,145 +0

23,456 +27

6,440 +0

cocos2d-x by cocos2d

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.

created at Nov. 18, 2010, 11:17 p.m.

1,223 +0

18,307 +9

7,051 -4

matter-js by liabru

a 2D rigid body physics engine for the web ▲● ■

created at Feb. 19, 2014, 2:16 p.m.

238 +1

16,993 +33

1,967 -1

OpenEmu by OpenEmu

🕹 Retro video game emulation for macOS

created at Dec. 20, 2010, 8:13 p.m.

418 +0

16,230 +16

1,257 +0

lila by lichess-org

♞ lichess.org: the forever free, adless and open source chess server ♞

created at Feb. 21, 2012, 7:46 p.m.

227 -2

15,834 +28

2,293 +7

osu by ppy

rhythm is just a *click* away!

created at July 31, 2014, 4:26 a.m.

300 +1

15,613 +56

2,319 +10

bgfx by bkaradzic

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

created at April 4, 2012, 3:39 a.m.

484 +1

15,192 +30

1,954 +3

OpenRA by OpenRA

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

created at Oct. 4, 2010, 7:38 a.m.

380 +0

14,814 +17

2,691 -1

OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

created at April 1, 2014, 11:32 p.m.

203 +0

13,624 +36

1,564 +3

openage by SFTtech

Free (as in freedom) open source clone of the Age of Empires II engine 🚀

created at Nov. 3, 2013, 10:35 p.m.

399 +0

12,805 +6

1,127 +0

2048 by gabrielecirulli

The source code for 2048

created at March 5, 2014, 4:03 p.m.

565 +0

12,316 +12

17,071 +5

MonoGame by MonoGame

One framework for creating powerful cross-platform games.

created at April 7, 2011, 12:23 a.m.

467 +1

11,638 +15

2,932 +0

tiled by mapeditor

Flexible level editor

created at Feb. 27, 2011, 3:18 p.m.

352 -1

11,309 +12

1,757 -2

minetest by minetest

Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

created at Aug. 7, 2011, 1:48 p.m.

319 +0

10,907 +20

2,039 +2

Cataclysm-DDA by CleverRaven

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

created at Sept. 26, 2012, 10:57 p.m.

322 -2

10,761 +35

4,209 +3

Craft by fogleman

A simple Minecraft clone written in C using modern OpenGL (shaders).

created at April 9, 2013, 7:47 p.m.

352 +0

10,481 +7

1,393 +1