| title | developer | year | platform | | pop. |
|---|
| Action Doom 2: Urban Brawl | author | 2008 | Windows | action/reflex Humorous | | | label | |
| Age of Chivalry | Team Chivalry | 2007 | Windows | action/reflex fighting Historical | image | | label | |
| Alien Swarm | Black Cat Games | 2004 | Linux | strategy Science Fiction | | | label | |
| Alien Swarm | Black Cat Games | 2004 | Windows | action/reflex strategy Science Fiction | image | subject | label | |
| Alien Swarm | Black Cat Games | 2004 | Mac OS X | action/reflex strategy Science Fiction | | | label | |
| Aliens: The Ultimate Doom | author | 2017 | Linux | Science Fiction | | | label | |
| Atomic Wasteland 2098 | Magicsoft | ? | Apple II E | role-play Fantasy | | | label | |
| Black Mesa | Crowbar Collective | 2020 | Windows | shooter Science Fiction | image | subject | label | |
| Black Mesa | Black Mesa Team | 2015 | Linux | shooter Science Fiction | | | label | |
| Bloodstone: The Journey Home | Greenhorn Productions | 2008 | Windows | role-play Fantasy | image | subject | label | |
| Blue Planet: Age of Aquarius | author | 2007 | Linux | shooter simulation Science Fiction | | | label | |
| Blue Planet: War in Heaven Part 1 | author | 2007 | Linux | shooter simulation Science Fiction | | | label | |
| Blue Planet: War in Heaven Part 2 | author | TBA | Linux | shooter simulation Science Fiction | | | label | |
| Brutal Doom 64 | Sergeant_Mark_IV | 2016 | Linux | shooter | | | label | |
| Commander Stalin | The Commander Stalin Team | ? | Linux | strategy Historical | image | | label | |
| Duke Nukem Red Alert | author | ? | Linux | shooter | | | label | |
| Duke Nukem Red Alert | author | ? | BSD | shooter | | | label | |
| Dystopia | Team Dystopia | 2005 | Windows | shooter Science Fiction | | | label | |
| HacX | Banjo Software | 2005 | BSD | shooter Science Fiction | | | label | |
| Harmony | author | 2009 | Windows | shooter | image | subject | label | |
| Harmony | author | ? | Linux | shooter | | | label | |
| Infiltration | Sentry Studios | 2004 | Windows | shooter | | | label | |
| INSURGENCY: Modern Infantry Combat | Insurgency Team | 2007 | Windows | shooter | image | | label | |
| Iron Grip: The Oppression | Isotx | 2006 | Windows | shooter strategy Science Fiction | | | label | |
| Los Disneys | author | 2007 | Linux | shooter | image | subject | label | |
| Malice | Team Epochalypse;Ratloop | 1997 | Linux | Fantasy | | | label | |
| MechWarrior: Living Legends | Wandering Samurai Studios | 2009 | Windows | shooter simulation Science Fiction | | | label | |
| Natural Selection | Unknown Worlds Entertainment | 2002 | Windows | shooter strategy Science Fiction | image | subject | label | |
| Penumbra: Necrologue | CounterCurrent Games | 2015 | Linux | adventure Horror | | | label | |
| Pirates, Vikings and Knights | - | 2000 | Windows | action/reflex | | | label | |
| Pirates, Vikings and Knights II | - | 2012 | Windows | action/reflex | image | subject | label | |
| Pirates, Vikings and Knights II | Octoshark Studios | 2014 | Linux | action/reflex | | | label | |
| Star Trek: New Horizons | ? | 2017 | Linux | strategy Science Fiction | | | label | |
| The Babylon Project | The Babylon Project | ? | Linux | shooter Science Fiction | image | | label | |
| The Hidden | author | 2005 | Windows | action/reflex shooter | image | subject | label | |
| The SoulKeeper | HELM Systems | 2005 | Linux | shooter role-play Fantasy | | | label | |
| The Specialists | author | 2002 | Windows | action/reflex shooter | | | label | |
