The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Evanescent Existence (4 members)
- Everfades (1 member)
- Extra Stage Bosses (29 members)
- FELT (2 members)
- FLIPFLOPs (5 members)
- FRONTIER CREATE (1 member)
- Fairies (4 members)
- Fairy Wars (25 members)
- Fairy Wars Replays (1 member)
- Fairy Wars Spell Cards (48 members)
- False&Trues (1 member)
- Fan works (1 member)
- Fanfiction (320 members)
- Fangame Images (22 members)
- Fangame Screenshots (42 members)
- Fangame covers (28 members)
- Fangames (107 members)
- Fanon and Memes (22 members)
- Favicon tests (13 members)
- Females (161 members)
- Fighting Games (6 members)
- Files (3 members)
- Final Bosses (33 members)
- Final Bosses (Fighting Games) (8 members)
- Finest Magic (1 member)
- Flandre's Quest (1 member)
- Foggy Roots (1 member)
- Forbidden Scrollery (1 member)
- Foreground Eclipse (4 members)
- Forestpireo (3 members)
- Forums (147 members)
- Foxfactory (4 members)
- Francois' yomogi farm (1 member)
- Fromadistance (1 member)
- Frontier Records (2 members)
- GYRO Mix (1 member)
- Gabba (1 member)
- Game Images (6 members)
- Game Tools (3 members)
- Game covers (21 members)
- Gameplay (27 members)
- Games (10 members)
- General Images (9 members)
- General Terms (21 members)
- General wiki templates (26 members)
- Genre Needed (954 members)
- Genre needed (2 members)
- Genres (30 members)
- Gensokyo Tower Defense (7 members)
- Gensokyo Tower Defense Images (48 members)