The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- APO powerups (24 members)
- Apps (1 member)
- Article ToDos (85 members)
- Article management templates (11 members)
- Article stubs (109 members)
- Articles to be merged (2 members)
- Articles to be split (1 member)
- Articles under construction (36 members)
- Articles under research (4 members)
- Articles with conjectural titles (26 members)
- Articles with unsourced statements (46 members)
- Bonus (2 members)
- Boxarts (4 members)
- Cancelled games (8 members)
- Candidates for deletion (1 member)
- Car related powerups (28 members)
- Carmageddon: TDR 2000 interviews (8 members)
- Carmageddon games (33 members)
- Category templates (1 member)
- Cheats (6 members)