The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- GN Software (Developer) (1 member)
- GN Software (Publisher) (1 member)
- Gaijin Entertainment (Developer) (7 members)
- Gaijin Entertainment (Publisher) (3 members)
- Gaijin Games (Developer) (1 member)
- GameMill Entertainment (Publisher) (2 members)
- Game Arts (Developer) (1 member)
- Game Republic (Developer) (8 members)
- Game Republic (Publisher) (1 member)
- Game mode (3 members)
- Gamecock Media Group (Publisher) (2 members)
- Gamelab (Developer) (1 member)
- Gameloft (Developer) (8 members)
- Gameloft (Publisher) (8 members)
- Gameloft Montreal (Developer) (2 members)
- Games (2,290 members)
- Games Farm (Developer) (3 members)
- Games having IRD file(s) (GameID) (1,465 members)
- Games missing IRD file(s) (GameID) (152 members)
- Games with both Blu-ray (disc) and Digital (PSN) version (GameID) (939 members)
- Games with only Blu-ray version (GameID) (538 members)
- Games with only Digital (PSN) version (GameID) (762 members)
- Gameshastra (Developer) (2 members)
- Gaming Minds Studios (Developer) (1 member)
- Gamoola Soft (Developer) (1 member)
- Ganbarion (Developer) (2 members)
- Gearbox Software (Developer) (6 members)
- Gelid Games (Developer) (1 member)
- Gelid Games (Publisher) (1 member)
- General Arcade (Developer) (1 member)
- Genki (Developer) (2 members)
- Genki (Publisher) (1 member)
- Genres (54 members)
- Ghost Games (Developer) (1 member)
- Ghostlight (Publisher) (3 members)
- Giant Sparrow (Developer) (1 member)
- Giants Software (Developer) (2 members)
- Go! Sports (Series) (1 member)
- God of War (Series) (4 members)
- Golden Axe (Series) (2 members)
- Golden Ruby Games (Developer) (1 member)
- Gonzo Games (Developer) (1 member)
- Gotch Technology (Developer) (1 member)
- Gran Turismo (Series) (5 members)
- Grand Theft Auto (Series) (4 members)
- Graphic Adventure (Genre) (16 members)
- Grasshopper Manufacture (Developer) (5 members)
- Green Hill Games (Developer) (1 member)
- Grid (Series) (3 members)
- Grimm Bros (Developer) (1 member)