The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement images (59 members)
- Airburst (1 member)
- Candidates for deletion (2 members)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (5 members)
- Copyright templates (10 members)
- Direct Impact (7 members)
- Disambiguations (0 members)
- Documentation templates (5 members)
- Enemy Impact (1 member)
- Example images (1 member)
- Featured slide images (35 members)
- Flares (2 members)
- Formatting templates (19 members)
- Front page sections (4 members)
- Game mechanics (3 members)
- Hidden categories (0 members)
- Images (4 members)
- Images needing improvement (3 members)
- Infobox templates (4 members)
- Legal notices (3 members)
- Logo drafts (9 members)
- Media (2 members)
- Navigation templates (4 members)
- Non-Projectile weapons (1 member)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (1 member)
- Pages with template loops (1 member)
- Patches (166 members)
- Projectile (3 members)
- Projectile weapons (6 members)
- Rollers (8 members)
- ShellShock Live (19 members)
- ShellShock Live Wiki (8 members)
- ShellShock Live icons (403 members)
- ShellShock Live images (510 members)
- Smart (2 members)
- Straight Shot (1 member)
- Stubs (94 members)
- Template documentation (47 members)
- Templates (23 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (1 member)
- TestTmps (1 member)
- Unattributed files (1 member)
- User groups (12 members)