| title | developer | year | platform | | pop. |
|---|
| Uchuu no Rendezvous: Rama | Dynamix | 1998 | PS | adventure Science Fiction | image | subject | label | |
| UFO: Extraterrestrials | Chaos Concept | 2007 | Windows | strategy turn-based Science Fiction | image | subject | label | |
| Under that Rain | Bad Tales Studios | 2014 | Linux | adventure Horror | | | label | |
| Visions of Aftermath: The Boomtown | Chivalry Software | 1988 | MS-DOS | simulation manag./econ. role-play Science Fiction | image | | label | |
| Warfield | warfield-online | 2012 | Linux | shooter Science Fiction | | subject | label | |
| WipEout Fusion | Studio Liverpool | 2002 | PS2 | racing/driving Science Fiction | image | subject | label | |
| WipEout HD | SCE Studio Liverpool | 2008 | PS3 | racing/driving | image | | label | |
| WipEout HD Fury | SCE Studio Liverpool | 2009 | PS3 | racing/driving | | subject | label | |
| WipEout Pure | SCE Studio Liverpool | 2005 | PSP | racing/driving Science Fiction | image | subject | label | |
| Wipeout:3 | Psygnosis | 1999 | PS | racing/driving Science Fiction | image | subject | label | |
| Xenocide | author | 2002 | Linux | role-play Horror | | | label | |
| Xenocide | author | 2002 | Windows | role-play Horror | image | | label | |
| ZDoom | ? | ? | Pandora | Fantasy | | | label | |
| Zone of the Enders | Konami | 2001 | PS2 | shooter Manga | image | subject | label | |
| Zone of the Enders: The 2nd Runner | Konami | 2003 | PS2 | action/reflex shooter Manga | image | | label | |
| Zone of the Enders: The Fist of Mars | Konami | 2001 | GBA | action/reflex strategy role-play Manga | image | | label | |
