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.

400 +0

12,770 +16

1,122 -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.

380 +0

14,753 +15

2,688 +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 -2

5,397 +10

938 +1

devilution by diasurgical

Diablo devolved - magic behind the 1996 computer game

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

248 +0

8,782 +7

920 +0

OpenRCT2 by OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

203 +0

13,498 +28

1,550 +4

devilutionX by diasurgical

Diablo build for modern operating systems

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

199 +0

8,080 +20

795 +1

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 +1

2,036 +7

615 +1

OpenLara by XProger

Classic Tomb Raider open-source engine

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

161 +0

4,707 +2

363 +3

OpenSC2K by nicholas-ochoa

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

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

152 +0

4,982 +0

88 +1

freeablo by wheybags

[ARCHIVED] Modern reimplementation of the Diablo 1 game engine

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

151 +0

2,160 +0

193 +0

scummvm by scummvm

ScummVM main repository

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

137 +0

2,316 +8

1,039 +4

daggerfall-unity by Interkarma

Open source recreation of Daggerfall in the Unity engine

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

135 +1

2,736 +5

333 +0

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

2,417 +9

529 +0

CorsixTH by CorsixTH

Open source clone of Theme Hospital

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

123 +0

4,050 +7

368 +0

vcmi by vcmi

Open-source engine for Heroes of Might and Magic III

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

123 -1

4,547 +16

491 +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.

119 +0

1,089 +0

121 +0

OpenXcom by OpenXcom

Open-source clone of the original X-Com 👽

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

118 +1

1,913 -1

487 +3

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

3,225 +5

531 +0

OpenTTD by OpenTTD

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

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

112 +0

6,361 +14

892 +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.

112 +0

2,536 +11

552 +2