| WW: Tecmo Koei | Publisher | |
| WW: Tequila Works | Publisher | |
| WW: Teyon | Publisher | |
| WW: The Arcade Crew | Publisher | |
| WW: The Dangerous Kitchen | Publisher | |
| WW: The Game Kitchen | Publisher | |
| WW: Thunderful Publishing | Publisher | |
| WW: Two Tribes | Publisher | |
| WW: UFO Interactive Games | Publisher | |
| WW: Ubisoft | Publisher | |
| WW: Undergames | Publisher | |
| WW: Unfinished Pixel | Publisher | |
| WW: Upfall Studios | Publisher | |
| WW: Varsav Games | Publisher | |
| WW: VooFoo Studios | Publisher | |
| WW: Vyacheslav Grivorev | Publisher | |
| WW: Wales Interactive | Publisher | |
| WW: Warner Bros. Interactive Entertainment | Publisher | |
| WW: WayForward | Publisher | |
| WW: WayForward Technologies | Publisher | |
| WW: Wide Right Interactive | Publisher | |
| WW: Wired Productions | Publisher | |
| WW: Wobbly Tooth | Publisher | |
| WW: Xaloc Studios | Publisher | |
| WW: Xseed Games | Publisher | |
| WW: Yacht Club Games | Publisher | |
| WW: Ysbryd Games | Publisher | |
| WW: Zen Studios | Publisher | |
| WW: winterworks | DeveloperPublisher | |
| WWCU | Developer | |
| WWW Software | Developer | |
| WXP | Developer | |
| WXP Games | Developer | |
| WY Leong | Developer | |
| WYE.OFFICIAL | Developer | |
| WYGAMEZ | Developer | |
| WZO Games | Developer | |
| WZOGI | Publisher | |
| Wabbaboy | Developer | |
| Wabby's Land | Developer | |
| Wabitus | Developer | |
| WackoWookiee | Developer | |
| Wacky Wizards Entertainment | Developer | |
| Wadjet Eye Games | Developer | |
| WaffcakE | Developer | |
| Wafflegum | Developer | |
| Wagner GFX | Developer | |
| WagoProductions | Developer | |
| Wah-Software | DeveloperPublisher | |
| Wahler Digital | DeveloperPublisher | |
| Wahoo Studios | Developer | |
| Wahtzy | Developer | |
| WaiS | DeveloperPublisher | |
| Waifu Dev | Developer | |
| Waifu Trash family | Developer | |
| WaifuAI | Developer | |
| Waifu_High_Dev | Developer | |
| Waka Mfg | DeveloperPublisher | |
| Wake Robin Games | Developer | |
| Wake Up Games | Developer | |
| Wakefield Interactive | Developer | |
| Walaber Entertainment | Developer | |
| Waldemar Umaniz | Developer | |
| Waldgeist | Developer | |
| Waldo | Developer | |
| Wales Interactive | DeveloperPublisher | |
| Wali | Developer | |
| Walkabout Games | Publisher | |
| Walker Perkins | Developer | |
| Walking Circles | Developer | |
| Walking Circles (Graham Stafford) | Developer | |
| Walking Circles (Graham Stafford, Carleton Handley, David Beresford, David Fish, Adrian Page, Matt Furniss) | Developer | |
| Walking Circles (Graham Stafford, David Whittaker) | Developer | |
| Walking Circles Software | Developer | |
| Walnut | DeveloperPublisher | |
| Walrus | Developer | |
| Walt Disney | Developer | |
| Walt Disney Computer Software | DeveloperPublisher | |
| Walt Disney Interactive | DeveloperPublisher | |
| Walt Disney Internet Group | DeveloperPublisher | |
| Walter Miller | Developer | |
| Walter Sweetheart | Developer | |
| Walternate Realities | Developer | |
| Walthall Studios | Developer | |
| Walther Miller | Developer | |
| Waltz_89 | Developer | |
| Wambysock | Developer | |
| Wammoh | Developer | |
| WanS24 | Developer | |
| WanSou | Developer | |
| Wanadoo | DeveloperPublisher | |
| Wanadoo EU | Publisher | |
| Wanadoo Edition | DeveloperPublisher | |
| Wanadoo EditionEU | Publisher | |
| WanadooPAL | Publisher | |
| Wanako Games | Developer | |
| Wander | Developer | |
| Wandering_Owl | Developer | |
| Wanderlust Games | Developer | |
| Wandil | Developer | |
| 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 | |