| Title |
Developer, Publisher |
Release date |
OS (Operating System) |
Engine |
License |
Notes |
| .kkrieger |
.theprodukkt |
2004 |
Windows |
|
|
Won first place in the 96k game competition at Breakpoint in April 2004. |
| AssaultCube |
Rabid Viper Studios |
2007 |
Windows, Linux, Mac OS X |
Cube engine |
Zlib license (code), Individual licenses (media) |
Team based shooter, includes Cube's map maker. Single/Multiplayer. |
| CodeRED: Alien Arena |
COR Entertainment, LLC |
2004–2008 |
Windows, Linux |
CRX Engine id Tech 2 |
|
A Sci-Fi themed shooter. Single/Multiplayer. |
| America's Army |
MOVES Institute |
2002/07/04 |
Windows, version 2.5 and under: Mac OS X (PPC), Linux |
Unreal engine 2.5 |
Proprietary license |
Developed for and owned by the U.S. government. Multiplayer/Training mode. |
| BZFlag |
Chris Schoeneman, Tim Riker |
1993–2007 |
Irix, Linux, *BSD, Windows, Mac OS X |
|
LGPL |
Tank combat. |
| Cube |
Wouter van Oortmerssen |
|
Windows, Linux, FreeBSD, Mac OS X, some Pocket PCs |
Cube engine |
Zlib license |
Quake style multiplayer deathmatch. Single/Multiplayer. |
| The Dinohunters |
Kuma Reality Games |
2006 |
Windows |
Source engine |
Proprietary license |
Also a machinima series. Single/Multiplayer. |
| F.E.A.R Combat |
Monolith Productions, Vivendi Universal |
2006 |
Windows |
Lithtech: Jupiter EX engine |
Proprietary license |
The multiplayer component of commercial game F.E.A.R. |
| FreeDoom |
FreeDoom team |
|
Windows, Mac OS X, Linux |
Doom engine |
|
A Doom WAD file intended to be used instead of the copyrighted file from the original Doom and Doom II. |
| Hidden & Dangerous |
Illusion Softworks, Take-Two Interactive |
1999 |
Windows |
Insanity Engine |
Proprietary license |
Released free to promote its sequel, Hidden & Dangerous 2. Single/Multiplayer. |
| The Kill Point: Game |
Kuma Reality Games |
2007 |
Windows |
Source engine |
Proprietary license |
Episodic First person shooter
Based on the television show The Kill Point.
|
| Kuma\War |
Kuma Reality Games |
2004 |
Windows |
Source engine |
Proprietary license |
Tactical episodic shooter. Single/Multiplayer. |
| Marathon |
Bungie Studios |
1994–1996 |
Apple Macintosh, Linux & PC via AlephOne |
|
|
Released as freeware and source code. |
| Nexuiz |
Alientrap |
2005/05/31 |
X Window System (running under Linux, UNIX), Windows, Mac OS X 10.4 or newer |
DarkPlaces Quake engine |
GNU GPL |
Quake style deathmatch. Single/Multiplayer. |
| OpenArena |
OpenArena team |
200707/07 |
Windows, Linux, Mac OS X |
ioquake3 id Tech 3 |
GNU GPL |
Free software content remake of Quake III Arena. Single/Multiplayer. |
| Postal² |
Running With Scissors |
2003 |
Windows, Linux, Mac OS X |
Unreal Engine 2.0 |
Proprietary license |
The multiplayer component of commercial game Postal2STP. |
| Purge |
Freeform Interactive |
2003/04/15 |
Windows |
Lithtech: Talon engine |
Proprietary license |
RPG hybrid where you can level up and increase stats by earning experience points. |
| Sauerbraten |
Wouter van Oortmerssen |
2004 |
Windows, Linux, FreeBSD and Mac OS X |
Cube 2 engine |
Zlib license (code), Individual licenses (media) |
Quake style deathmatch, includes built in level editor. Single/Multiplayer. |
| Savage: The Battle for Newerth |
S2 Games |
2003 |
Windows, Linux, Mac OS X (Commercial) |
Silverback Engine |
|
Hybrid FPS/RTS with both ranged and melee combat |
| Shootout the Game |
Kuma Reality Games, The History Channel |
2006 |
Windows |
Source engine |
Proprietary license |
With the History Channel TV show. Single/Multiplayer. |
| Starsiege: Tribes |
Dynamix, Sierra Entertainment |
2004 (free release) |
Windows |
Darkstar engine |
Proprietary license |
Futuristic team based combat, released for free to promote Tribes: Vengeance. Single/Multiplayer. |
| Tremulous |
Dark Legion Development |
2006 |
Linux, Windows, Mac OS X (Non-official) |
ioquake3 id Tech 3 |
GPL |
Aliens vs Humans multiplayer team combat with some RTS elements. |
| Urban Terror |
Silicon Ice Development / Frozen Sand |
2007/04/01 |
Linux, Microsoft Windows, Mac OS |
ioquake3 id Tech 3 |
|
Originally a Quake 3 mod, now a standalone game. |
| War§ow |
War§ow team |
2008/01/19 |
Windows, Linux and Mac OS X |
Qfusion id Tech 2 |
GPL |
Quake style deathmatch. Single/Multiplayer. |
| Wolfenstein: Enemy Territory |
Activision, id, Splash Damage |
2003/05/29 |
Linux, Mac OS X and Windows |
id Tech 3 |
Proprietary license |
Former expansion pack turned freeware. WW2 multiplayer team combat |
| World of Padman |
|
2007/04/01 |
Linux, Mac OS X and Windows |
ioquake3 id Tech 3 |
|
A free Quake 3 like comical FPS game |
| X Operations |
Team MITEI |
2006/04/30 |
Microsoft Windows, Mac OS X |
|
|
A free 007 style shooter; includes map editor; Single/Multiplayer |
The following game engines are free to use. They exclude game ports that require commercially released data to function (doom.wad for a Doom source port, for example).
