| title | developer | year | platform | | pop. |
|---|
| X-Blades | Gaijin Entertainment | 2007 | Windows | action/reflex beat 'em up Fantasy | image | | label | |
| X-Blades | Gaijin Entertainment | 2007 | PS3 | action/reflex beat 'em up Fantasy | image | | label | |
| X-Blades | Gaijin Entertainment | 2007 | X360 | action/reflex beat 'em up Fantasy | image | | label | |
| X-Blades | Gaijin Entertainment | 2016 | Linux | action/reflex beat 'em up Fantasy | | | label | |
| X-COM: Enforcer | Microprose | 2001 | Windows | action/reflex shooter Science Fiction | image | | label | |
| x16-Columns | author | 2020 | Commander X16 | action/reflex | | | label | |
| XCOM 2 | Firaxis Games | 2016 | Windows | strategy turn-based Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2012 | Windows | strategy turn-based Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2012 | X360 | strategy turn-based Science Fiction | image | | label | |
| XCOM: Enemy Unknown | Firaxis Games | 2012 | PS3 | 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 | |
| Xenonauts | Goldhawk Interactive | 2014 | Windows | strategy turn-based Science Fiction | image | | label | |
| Xenonauts | Goldhawk Interactive | 2014 | Mac OS X | strategy turn-based Science Fiction | | | label | |
| Xenonauts | Goldhawk Interactive | 2014 | Linux | strategy Science Fiction | | | label | |
| Xenus II: White Gold | Deep Shadows | 2008 | Windows | shooter role-play | image | subject | label | |
| XIII | Ubisoft Paris | 2003 | Windows | action/reflex shooter Cartoon | image | | label | |
