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.

401 -1

12,427 +7

1,106 +1

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.

383 +1

14,220 +13

2,626 +1

openmw by OpenMW

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

created at Aug. 23, 2009, 2:46 p.m.

273 +0

5,181 +9

928 +0

devilution by diasurgical

Diablo devolved - magic behind the 1996 computer game

created at April 2, 2018, 1:01 a.m.

252 +1

8,643 +3

922 +0

OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

204 -1

12,998 +15

1,499 +0

devilutionX by diasurgical

Diablo build for modern operating systems

created at Aug. 2, 2018, 5:19 p.m.

191 +1

7,580 +13

747 +0

OpenJK by JACoders

Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

created at April 4, 2013, 9:12 a.m.

161 +0

1,958 +2

606 -1

OpenLara by XProger

Classic Tomb Raider open-source engine

created at Aug. 13, 2016, 10:06 p.m.

160 +0

4,600 +8

360 +0

OpenSC2K by nicholas-ochoa

OpenSC2K - An Open Source remake of Sim City 2000 by Maxis

created at Feb. 3, 2018, 2:38 a.m.

153 +0

4,946 +2

84 +0

freeablo by wheybags

[ARCHIVED] Modern reimplementation of the Diablo 1 game engine

created at July 8, 2013, 6:23 p.m.

151 +0

2,157 +0

194 +0

scummvm by scummvm

ScummVM main repository

created at Feb. 12, 2011, 3:50 p.m.

135 +0

2,224 +6

996 +1

daggerfall-unity by Interkarma

Open source recreation of Daggerfall in the Unity engine

created at Jan. 6, 2015, 9:18 p.m.

131 -1

2,608 +9

324 +3

ioq3 by ioquake

The ioquake3 community effort to continue supporting/developing id's Quake III Arena

created at Dec. 31, 2012, 8:11 p.m.

130 +0

2,316 +5

521 +0

CorsixTH by CorsixTH

Open source clone of Theme Hospital

created at Aug. 25, 2013, 6:16 p.m.

125 +0

3,915 +27

355 +1

xoreos by xoreos

A reimplementation of BioWare's Aurora engine (and derivatives). Pre-pre-alpha :P

created at Aug. 10, 2010, 12:39 a.m.

120 +0

1,074 +2

121 +1

vcmi by vcmi

Open-source engine for Heroes of Might and Magic III

created at April 6, 2014, 1:42 p.m.

119 -1

3,990 +11

442 +1

OpenXcom by OpenXcom

Open-source clone of the original X-Com 👽

created at Feb. 6, 2011, 5:54 p.m.

116 +0

1,833 +2

477 +1

warzone2100 by Warzone2100

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

created at Nov. 16, 2010, 4:36 a.m.

115 -1

3,060 +8

516 +1

OpenTTD by OpenTTD

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

created at April 6, 2018, 6:06 p.m.

109 +2

6,001 +24

839 +6

gzdoom by ZDoom-Official

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

created at June 23, 2013, 6:38 a.m.

109 +0

2,258 +15

522 -1