The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Heavy Iron Studios (Developer) (5 members)
- Hello Games (Developer) (2 members)
- Hello Games (Publisher) (2 members)
- HexaDrive (Developer) (2 members)
- Hidden Path Entertainment (Developer) (1 member)
- High Impact Games (Developer) (2 members)
- High Moon Studios (Developer) (6 members)
- High Voltage Software (Developer) (3 members)
- Hijinx Studios (Developer) (3 members)
- Hit Maker (Developer) (1 member)
- Hitbox Team (Developer) (1 member)
- Hitmaker (Developer) (1 member)
- Hitman (Series) (3 members)
- Honeyslug (Developer) (1 member)
- Horror (Genre) (2 members)
- Hot Shots Golf (Series) (2 members)
- Hothead Games (Developer) (5 members)
- Hothead Games (Publisher) (1 member)
- Hotline Miami (Series) (2 members)
- Housemarque (Developer) (4 members)