The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Doko Demo Issho (Series) (1 member)
- Dontnod Entertainment (Developer) (1 member)
- Doodle (Series) (3 members)
- Doom (Series) (2 members)
- Dorasu (Developer) (1 member)
- Dorasu (Publisher) (1 member)
- DoubleTap Games (Developer) (1 member)
- Double Eleven (Developer) (2 members)
- Double Eleven (Publisher) (2 members)
- Double Fine Productions (Developer) (5 members)
- Double Helix Games (Developer) (6 members)
- Doublesix (Developer) (4 members)
- Doublesix (Publisher) (1 member)
- Doublesix Video Games (Publisher) (1 member)
- Dragon's Dogma (Series) (1 member)
- Dragon's Lair (Series) (2 members)
- Dragon Age (Series) (3 members)
- Dragon Ball (Series) (7 members)
- Dragon Fantasy (Series) (2 members)
- Dragon Quest (Series) (3 members)
- Drakengard (Series) (2 members)
- Dream C Club (Series) (3 members)
- Dreampainters Software (Developer) (1 member)
- DrinkBox Studios (Developer) (1 member)
- DrinkBox Studios (Publisher) (1 member)
- Drinkbox Studios (Developer) (2 members)
- Drinkbox Studios (Publisher) (2 members)
- Driver wake-up delay (Config) (17 members)
- Duels of the Planeswalkers (Series) (4 members)
- Duke Nukem (Series) (2 members)
- Dungeons & Dragons (Series) (2 members)
- Dusenberry Martin Racing (Publisher) (1 member)
- Dynamighty (Developer) (1 member)
- Dynasty Warriors (Series) (19 members)
- E-Line Media (Publisher) (1 member)
- EA Black Box (Developer) (7 members)
- EA Bright Light (Developer) (11 members)
- EA Chicago (Developer) (2 members)
- EA Los Angeles (Developer) (5 members)
- EA Mobile (Developer) (1 member)
- EA Montreal (Developer) (2 members)
- EA Salt Lake (Developer) (1 member)
- EA Sports (Publisher) (76 members)
- EA Tiburon (Developer) (32 members)
- EA Vancouver (Developer) (42 members)
- EXE-CREATE (Developer) (1 member)
- Earth Defense Force (Series) (1 member)
- Eastasiasoft (Publisher) (4 members)
- Easy Tiger Media (Publisher) (1 member)
- Eat Sleep Play (Developer) (1 member)