The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- C54 SMG (1 member)
- C54 SMG images (6 members)
- C8R Pisces Rescue images (42 members)
- C8X Pisces Expedition images (31 members)
- C8 Pisces images (62 members)
- CBD (54 members)
- CBH-3 Helmet Aqua images (1 member)
- CBH-3 Helmet Black images (1 member)
- CBH-3 Helmet Blue images (1 member)
- CBH-3 Helmet Crusader images (1 member)
- CBH-3 Helmet Dark Green images (1 member)
- CBH-3 Helmet Dark Red images (1 member)
- CBH-3 Helmet Green images (1 member)
- CBH-3 Helmet Grey images (1 member)
- CBH-3 Helmet Imperial images (1 member)
- CBH-3 Helmet Olive images (1 member)
- CBH-3 Helmet Orange images (1 member)
- CBH-3 Helmet Purple images (1 member)
- CBH-3 Helmet Red images (1 member)
- CBH-3 Helmet Seagreen images (1 member)
- CBH-3 Helmet Sienna images (1 member)
- CBH-3 Helmet Tan images (1 member)
- CBH-3 Helmet Twilight images (1 member)
- CBH-3 Helmet Violet images (1 member)
- CBH-3 Helmet White images (1 member)
- CBH-3 Helmet Yellow images (1 member)
- CBH-3 Helmet images (1 member)
- CC's Conversions (36 members)
- CC-zero files (41 members)
- CF-447 Rhino Repeater images (1 member)
- CF-Series Repeater images (1 member)
- CRU-L1 Ambitious Dream Station images (1 member)
- CRU-L1 images (3 members)
- CRU-L4 Shallow Fields Station images (1 member)
- CRU-L4 images (1 member)
- CRU-L5 Beautiful Glen Station images (1 member)
- CRU-L5 images (1 member)
- CRUZ Pulse images (1 member)
- CSP-68H Backpack images (1 member)
- CSP-68L Backpack images (4 members)
- CSP-68M Backpack images (1 member)
- CVSA Cannon images (1 member)
- Cal-O-Meal Protein Bar images (3 members)
- Caldera (30 members)
- Caliban (1 member)
- Caliban 3a images (1 member)
- Caliban 3b images (1 member)
- Caliban 4a images (1 member)
- Caliban 4b images (1 member)
- Caliban 4c images (1 member)