| title | developer | year | platform | | pop. |
|---|
| X-COM: Apocalypse | author | 2014 | Linux | strategy Science Fiction | | | label | |
| X-COM: Apocalypse | Microprose | 1997 | MS-DOS | strategy Science Fiction | image | subject | label | |
| X-COM: Enforcer | Microprose | 2001 | Windows | action/reflex shooter Science Fiction | image | | label | |
| X-COM: UFO Defense | Mythos Games | 1994 | Amiga AGA | strategy Science Fiction | image | subject | label | |
| X-COM: UFO Defense | Mythos Games | 1994 | Amiga CD32 | strategy Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2012 | Windows | strategy turn-based Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2013 | iOS | strategy turn-based Science Fiction | | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2013 | Mac OS X | strategy turn-based Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Feral Interactive | 2014 | Linux | strategy turn-based Science Fiction | | | label | |
| XGT Racer | Vega Mobile | 2011 | Zeebo | racing/driving | image | subject | label | |
| XIII | Ubi Soft Paris | 2003 | PS2 | action/reflex shooter Cartoon | image | subject | label | |
| XIII | Ubisoft Paris | 2003 | Windows | action/reflex shooter Cartoon | image | | label | |
| XIII | Ubi Soft Paris | 2003 | GameCube | action/reflex shooter Cartoon | image | subject | label | |
