| Wandsmen | Developer | |
| Wang Heran | Developer | |
| Wanna Smile | Developer | |
| Wannibe Manisha | Developer | |
| Wanton Walrus | Developer | |
| Waouh | Developer | |
| WaquDoo | Developer | |
| WarFare Creations | Developer | |
| WarVision GS | Developer | |
| Warani Studios | Developer | |
| Warashi | DeveloperPublisher | |
| Warboys | Developer | |
| Warbrokers | Developer | |
| Warcave | DeveloperPublisher | |
| WardDheer | Developer | |
| Ward_101 | Developer | |
| Wardcore | Developer | |
| Wargaming | DeveloperPublisher | |
| Wargaming West | Developer | |
| Wargon | Developer | |
| Warhorse Studios | Developer | |
| Warkus | Developer | |
| Warlines Studios™ | Developer | |
| Warlloyd | Developer | |
| Warlock | DeveloperPublisher | |
| Warlock Arts | DeveloperPublisher | |
| Warlock Entertainment | Developer | |
| Warlock Preserve | Developer | |
| WarlockF13 | Developer | |
| Warm Apple Studios | Developer | |
| Warm Lamp Games | Developer | |
| Warner Bros. | Publisher | |
| Warner Bros. Digital Distribution | Publisher | |
| Warner Bros. Games | Publisher | |
| Warner Bros. Interactive | DeveloperPublisher | |
| Warner Bros. Interactive Entertainment | DeveloperPublisher | |
| Warner Bros. Interactive Entertainment (European countries) | Publisher | |
| Warner Bros. Interactive Entertainment. | Publisher | |
| Warner Bros. Interactive EntertainmentNA,PAL | Publisher | |
| Warner Bros. InteractiveNA | Publisher | |
| Warner Brothers | Publisher | |
| Warner Brothers Interactive | Publisher | |
| WarnerActive | DeveloperPublisher | |
| Warp | Developer | |
| Warp Digital Entertainment | Developer | |
| WarpZone | Developer | |
| Warped Minds | Developer | |
| WarpedCore Studio | DeveloperPublisher | |
| Warpfish Games | Developer | |
| Warren Lancashire | Developer | |