The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities (41 members)
- Administration (4 members)
- Administrators (2 members)
- Affiliate wordmark (9 members)
- Antagonists (7 members)
- Article stubs (15 members)
- Articles containing spoilers (4 members)
- Articles in need of Images (21 members)
- Articles in need of a gallery (3 members)
- Articles in need of a revamp (15 members)
- Articles in need of sources (0 members)
- Articles in need of videos (31 members)
- Articles with non-canon content (64 members)
- Badges (47 members)
- Blog posts (262 members)
- Bosses (3 members)
- Businesses (1 member)
- Candidates for deletion (2 members)
- Candidates for speedy deletion (1 member)
- Category templates (3 members)
- Character images (5 members)
- Character images from Festival of Blood (1 member)
- Character images from First Light (0 members)
- Character images from Infamous (8 members)
- Character images from Infamous 2 (7 members)
- Character images from Second Son (1 member)
- Characters (8 members)
- Characters in Festival of Blood (12 members)
- Characters in Infamous (19 members)
- Characters in Infamous: First Light (5 members)
- Characters in Infamous: Second Son (12 members)
- Characters in Infamous 2 (18 members)
- Characters in Infamous comics (1 member)
- Cheats (2 members)
- Citation templates (3 members)
- Cole's Powers (6 members)
- Collectibles (14 members)
- Comic images (2 members)
- Comics (6 members)
- Community (6 members)
- Companies (1 member)
- Concept art (4 members)
- Concept art for Infamous: First Light (2 members)
- Concept art from Festival of Blood (2 members)
- Concept art from InFAMOUS (8 members)
- Concept art from InFAMOUS 2 (15 members)
- Concrete (13 members)
- Conduits (26 members)
- Conrete (1 member)
- Content (8 members)