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.

402 -1

12,396 +6

1,100 +0

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.

382 +0

14,170 +22

2,620 +2

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.

272 +0

5,153 +9

925 +0

devilution by diasurgical

Diablo devolved - magic behind the 1996 computer game

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

251 +0

8,638 +3

923 +0

OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

205 +0

12,950 +29

1,493 +4

devilutionX by diasurgical

Diablo build for modern operating systems

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

190 +0

7,554 +13

744 +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.

162 +0

1,948 +2

607 +4

OpenLara by XProger

Classic Tomb Raider open-source engine

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

159 +2

4,578 +12

360 +1

OpenSC2K by nicholas-ochoa

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

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

154 +0

4,939 +0

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

2,156 +1

194 +0

scummvm by scummvm

ScummVM main repository

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

134 +0

2,208 +1

993 +1

daggerfall-unity by Interkarma

Open source recreation of Daggerfall in the Unity engine

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

132 +0

2,579 +9

318 +1

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.

131 +0

2,307 +3

517 +1

CorsixTH by CorsixTH

Open source clone of Theme Hospital

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

126 +0

3,871 +17

354 +0

vcmi by vcmi

Open-source engine for Heroes of Might and Magic III

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

123 +0

3,919 +16

434 +3

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

1,069 +0

120 +0

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.

116 +0

3,044 +5

511 +1

OpenXcom by OpenXcom

Open-source clone of the original X-Com 👽

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

116 +0

1,822 +0

475 +2

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

2,232 +9

516 +3

OpenTTD by OpenTTD

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

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

106 +0

5,950 +17

828 +9