The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Volatile Games (Developer) (1 member)
- Volition (Developer) (7 members)
- VooFoo Studios (Developer) (4 members)
- VooFoo Studios (Publisher) (1 member)
- W!Games (Developer) (1 member)
- WB Games Montréal (Developer) (1 member)
- WHA Entertainment (Publisher) (1 member)
- WRC (Series) (6 members)
- WWE (Series) (12 members)
- Wahoo Studios (Developer) (1 member)
- Wake Up Studios (Developer) (1 member)
- Wales Interactive (Developer) (1 member)
- Wales Interactive (Publisher) (1 member)
- Wanako Games (Developer) (1 member)
- Warhammer 40000 (Series) (3 members)
- Warner Bros. Interactive Entertainment (Publisher) (41 members)
- Warriors Orochi (Series) (2 members)
- WaterMelon (Developer) (1 member)
- WaterMelon (Publisher) (1 member)
- WayForward Technologies (Developer) (9 members)
- Way of the Samurai (Series) (2 members)
- Westone (Developer) (1 member)
- Whirlpool (Developer) (1 member)
- White Knight Chronicles (Series) (2 members)
- Wicked Witch Software (Developer) (2 members)
- Wideload Games (Developer) (2 members)
- Winkysoft (Developer) (1 member)
- Winning Post (Series) (11 members)
- Wired Productions (Developer) (1 member)
- Wired Productions (Publisher) (1 member)
- Wizarbox (Developer) (3 members)
- Wizarding World (Series) (2 members)
- Wizardry (Series) (2 members)
- Wizards of the Coast (Publisher) (4 members)
- Wolfenstein (Series) (3 members)
- Wonder Boy (Series) (3 members)
- Wonderbook (Series) (4 members)
- World Snooker Championship (Series) (2 members)
- Worms (Series) (5 members)
- Wow Entertainment (Developer) (2 members)
- Write color buffers: On (Config) (178 members)
- Write depth buffers: On (Config) (10 members)
- XCOM (Series) (3 members)
- XDev (Developer) (1 member)
- XGen Studios (Developer) (1 member)
- XGen Studios (Publisher) (1 member)
- XING (Developer) (1 member)
- XING (Publisher) (1 member)
- XPEC Entertainment (Developer) (3 members)
- XPEC Entertainment (Publisher) (1 member)