| 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 | |
| Warren Robinett & Dr. Leslie Grimm | Developer | |
| Warren Schwader | Developer | |
| Warsow team | Developer | |
| Warthog | DeveloperPublisher | |
| Warthog Games | Developer | |
| Wartori | Developer | |
| Warux | Developer | |
| Warwolf | Developer | |
| Warxwell | Developer | |
| Warzonefury | Developer | |
| WasDeveloperStudioMX | Developer | |
| Washing-Up Software Projects | Developer | |
| Wasplay | Developer | |
| Wasteam | Developer | |
| WastedHorchata | Developer | |
| Wastelands | Publisher | |
| Wastelands Interactive | Developer | |
| WatDowTal | Developer | |
| Watanabe Seisakujo | DeveloperPublisher | |
| Watanoge | Developer | |
| Watch Dogs 2 Dating Sim | Developer | |
| Water Flare | Developer | |
| WaterHorseGames | Developer | |
| WaterMelon | DeveloperPublisher | |
| WaterMelon Games | DeveloperPublisher | |
| WaterPlug | Developer | |
| Watercress | Developer | |
| Waterdev | Developer | |
| Waterman Design | Developer | |
| Watermark RPG | Developer | |
| Wathitdew Record™ | Developer | |
| Watita Games | Developer | |
| Watt Technologies | Developer | |
| Wave | DeveloperPublisher | |
| Wave Corp | Developer | |
| Wave Corp. | Publisher | |
| Wave Quest | Developer | |
| Wave Train | DeveloperPublisher | |
| WaveCollapse | Developer | |
| WaveParadigm | Developer | |
| WaveQuest | Developer | |
| Wavedge | Developer | |
| Wavelength Studios | Developer | |
| Waverly SM | Developer | |
| Waveston | Developer | |
| Waving Walrus Games | Developer | |
| Wax Wings Studio | Developer | |
| Waxwing Games | Developer | |
| Way Down Deep | Publisher | |
| Way Limit Corporation | Developer | |