three.js by mrdoob

JavaScript 3D Library.

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

JavaScript

2,558 +3

94,615 +91

35,023 +21

GitHub
godot by godotengine

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

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

C++

1,521 +25

74,433 +5259

14,521 +471

GitHub
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.

TypeScript

1,011 -1

40,969 +54

4,807 +3

GitHub
phaser by photonstorm

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.

JavaScript

1,247 -1

35,254 +55

7,061 +5

GitHub
libgdx by libgdx

Desktop/Android/HTML5/iOS Java game development framework

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

Java

1,167 -1

21,971 +45

6,473 +7

GitHub
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.

C++

1,238 +1

17,463 +37

7,103 +6

GitHub
OpenEmu by OpenEmu

🕹 Retro video game emulation for macOS

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

Swift

422 +0

15,234 +14

1,283 +0

GitHub
matter-js by liabru

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

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

JavaScript

239 +0

15,055 +30

1,962 -2

GitHub
lila by lichess-org

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

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

Scala

229 +0

13,579 +20

2,001 +6

GitHub
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.

C++

483 -1

13,478 +50

1,846 +1

GitHub
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.

C#

381 -1

13,379 +156

2,586 +4

GitHub
osu by ppy

rhythm is just a *click* away!

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

C#

301 -1

12,889 +43

1,964 +7

GitHub
OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

C++

200 +0

12,232 +26

1,437 +4

GitHub
openage by SFTtech

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

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

Python

408 +0

11,981 +10

1,118 +6

GitHub
2048 by gabrielecirulli

A small clone of 1024 (https://web.archive.org/web/20140328011720/https://play.google.com/store/apps/details?id=com.veewo.a1024)

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

CSS

575 +0

11,772 +7

16,703 +5

GitHub
MonoGame by MonoGame

One framework for creating powerful cross-platform games.

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

C#

471 -2

10,054 +249

2,755 +19

GitHub
Craft by fogleman

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

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

C

358 +0

9,939 +9

1,357 +8

GitHub
tiled by mapeditor

Flexible level editor

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

C++

343 +1

9,913 +33

1,685 +1

GitHub
minetest by minetest

Minetest is an open source voxel game engine with easy modding and game creation

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

C++

329 +0

9,398 +14

1,871 +2

GitHub
BrowserQuest by mozilla

A HTML5/JavaScript multiplayer game experiment

created at Sept. 30, 2011, 6:47 p.m.

JavaScript

594 +0

9,159 +5

2,885 +10

GitHub