| title | developer | year | platform | | pop. |
|---|
| Wakfu | Ankama Games | 2012 | Windows | action/reflex role-play turn-based Fantasy | image | subject | label | |
| Wakfu | Ankama Games | 2012 | Mac OS X | action/reflex role-play turn-based Fantasy | | | label | |
| Wakfu | Ankama Games | 2012 | Linux | role-play turn-based Fantasy | image | | label | |
| Wander | Wander Team | 2013 | Linux | flight adventure | | subject | label | |
| War of Conquest | IronZog | 2002 | Linux | strategy | | | label | |
| Warhammer 40,000: Eternal Crusade | Behaviour Interactive | 2016 | PS4 | | | | label | |
| Warhammer 40,000: Eternal Crusade | Behaviour Interactive | 2016 | Xbox One | role-play | | | label | |
| Warhammer Online: Age of Reckoning | Mythic Entertainment | 2008 | Windows | action/reflex role-play Fantasy | image | | label | |
| WarpFire | Gameforge | 2007 | Flash | action/reflex Science Fiction | image | | label | |
| Warrior Epic | Possibility Space | 2009 | Windows | action/reflex role-play Fantasy | | | label | |
| Warspear | AIGRIND | 2014 | Linux | role-play Fantasy | | | label | |
| Wasted Pizza | Supine | 2017 | Linux | | | | label | |
| Weewar | author | ? | Linux | strategy | | | label | |
| Wheel of Time MUD | ? | 1993 | Internet Only | role-play Fantasy | | | label | |
| WildStar | Carbine Studios | 2014 | Windows | action/reflex role-play Fantasy | image | | label | |
| WildTerra | Juvty Worlds | 2015 | Linux | role-play | | | label | |
| Wind Slayer | Outspark | 2009 | Windows | action/reflex role-play Fantasy | | | label | |
| Wizard 101 | KingsIsle Entertainment | 2008 | Mac OS X | role-play Fantasy | | | label | |
| Wizardry Online | Gamepot | 2011 | Windows | action/reflex role-play Fantasy | image | | label | |
| Woodle Tree 2: Worlds | Chubby Pixel | 2016 | Linux | platformer | | | label | |
| World of Kung Fu Online | Vestgame Entertainment | 2007 | Windows | action/reflex role-play Fantasy | | | label | |
| World of Warcraft | Blizzard | 2004 | Windows | action/reflex role-play Fantasy | image | subject | label | |
| World of Warcraft | Blizzard | 2004 | Mac OS X | action/reflex role-play Fantasy | | | label | |
| World of Warcraft | Linux Game Publishing;Blizzard | 2013 | Linux | action/reflex role-play Fantasy | | | label | |
| World of Warcraft: The Burning Crusade | Blizzard Entertainment | 2007 | Windows | action/reflex role-play Fantasy | image | subject | label | |
| World of Warcraft: The Burning Crusade | Blizzard Entertainment | 2007 | Mac OS X | action/reflex role-play Fantasy | | | label | |
| World of Warcraft: Wrath of the Lich King | Blizzard Entertainment | 2008 | Windows | action/reflex role-play Fantasy | image | | label | |
| World of Warcraft: Wrath of the Lich King | Blizzard Entertainment | 2008 | Mac OS X | action/reflex role-play Fantasy | | | label | |
| World without Oil | [i]ndependent Lense;independent Lense | 2007 | Internet Only | simulation | | | label | |
| WorldAlpha | Big Impact Studios | 2013 | Linux | simulation strategy | | subject | label | |
| Wurm Online | OneTooFree | ? | Linux | role-play Fantasy | | | label | |
| WYD | JOYIMPACT | 2002 | Windows | action/reflex Fantasy | | | label | |
| Wyvern | Cabochon | ? | Linux | role-play | | | label | |
| Xiah | XIAH Studio | 2007 | Windows | role-play Fantasy | image | | label | |
