three.js by mrdoob

JavaScript 3D Library.

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

2,546 +0

103,027 +138

35,408 +20

godot by godotengine

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

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

1,509 -2

91,494 +161

21,262 +19

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 +0

44,039 +48

4,789 +4

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.

1,204 -1

37,231 +43

7,102 +0

libgdx by libgdx

Desktop/Android/HTML5/iOS Java game development framework

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

1,145 -2

23,403 +20

6,443 -1

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.

1,224 +0

18,278 +17

7,054 -2

matter-js by liabru

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

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

237 +0

16,941 +47

1,966 +1

OpenEmu by OpenEmu

🕹 Retro video game emulation for macOS

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

418 +0

16,204 +9

1,258 +1

lila by lichess-org

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

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

229 +0

15,755 +41

2,283 +1

osu by ppy

rhythm is just a *click* away!

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

296 +0

15,532 +39

2,308 +11

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.

482 +0

15,138 +28

1,950 +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 +1

14,785 +8

2,692 +1

OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

203 +0

13,546 +25

1,559 +6

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 -1

12,793 +15

1,127 +2

2048 by gabrielecirulli

The source code for 2048

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

565 +0

12,296 +7

17,053 +5

MonoGame by MonoGame

One framework for creating powerful cross-platform games.

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

467 +1

11,596 +26

2,930 +1

tiled by mapeditor

Flexible level editor

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

353 +0

11,275 +15

1,759 +1

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.

318 +0

10,861 +22

2,036 +0

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.

324 +0

10,699 +27

4,197 +14

Craft by fogleman

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

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

353 +0

10,468 +9

1,391 +2