| title | developer | year | platform | | pop. |
|---|
| X Rebirth | Egosoft | 2013 | Windows | action/reflex simulation flight manag./econ. Science Fiction | image | subject | label | |
| X Rebirth | Egosoft | 2015 | Linux | action/reflex simulation flight manag./econ. Science Fiction | | | label | |
| X Rebirth VR Edition | Egosoft | TBA | Linux | action/reflex simulation flight manag./econ. Science Fiction | | | label | |
| X Rebirth: Home of Light | Egosoft | 2016 | Linux | action/reflex simulation flight manag./econ. Science Fiction | | | label | |
| X-Tension | Egosoft | 2000 | Windows | action/reflex simulation manag./econ. Science Fiction | image | subject | label | |
| X: Beyond the Frontier | Egosoft | 1999 | Windows | action/reflex simulation flight manag./econ. Science Fiction | image | subject | label | |
| X²: The Threat | Egosoft | 2003 | Windows | action/reflex simulation flight manag./econ. adventure Science Fiction | image | subject | label | |
| X²: The Threat | Egosoft;Linux Game Publishing | 2006 | Linux | action/reflex simulation flight manag./econ. Science Fiction | image | subject | label | |
| X²: The Threat | Egosoft | 2003 | Windows | action/reflex simulation flight manag./econ. Science Fiction | | | label | |
| X³: Albion Prelude | Egosoft | 2011 | Mac OS X | simulation flight Science Fiction | | | label | |
| X³: Albion Prelude | Egosoft | 2011 | Windows | simulation flight Science Fiction | image | subject | label | |
| X³: Albion Prelude | Egosoft | 2013 | Linux | simulation flight Science Fiction | | | label | |
| X³: Farnham's Legacy | EGOSOFT | 2021 | Linux | action/reflex simulation flight manag./econ. adventure Science Fiction | | | label | |
| X³: Reunion | Egosoft | ? | Mac OS X | action/reflex simulation flight manag./econ. adventure Science Fiction | | | label | |
| X³: Reunion | Egosoft;Linux Game Publishing;Streamline Studios | 2008 | Linux | action/reflex simulation flight manag./econ. adventure Science Fiction | image | subject | label | |
| X³: Reunion | Egosoft | 2005 | Windows | action/reflex simulation flight manag./econ. adventure Science Fiction | image | | label | |
| X³: Terran Conflict | Egosoft | 2008 | Windows | simulation flight Science Fiction | image | subject | label | |
| X³: Terran Conflict | Egosoft | 2013 | Linux | simulation flight Science Fiction | | | label | |
| X4 | Egosoft | TBA | Linux | action/reflex simulation flight manag./econ. Science Fiction | | | label | |
| X4: Foundations | Egosoft | 2019 | Linux | action/reflex simulation flight manag./econ. adventure Science Fiction | | | label | |
