The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Alien characters (4 members)
- Alien consumables�� (3 members)
- Alien robots (6 members)
- Alien technology (14 members)
- Alien weapons (27 members)
- Aliens (14 members)
- All Roads (8 members)
- All Roads artists (2 members)
- All Roads authors (2 members)
- All Roads characters (2 members)
- All Roads factions (2 members)
- All Roads human characters (7 members)
- All Roads images (29 members)
- All Roads locations (9 members)
- All Roads mentioned-only locations (14 members)
- All Roads news (5 members)
- America's Playground (14 members)
- America's Playground achievement and trophy images (3 members)
- America's Playground achievements and trophies (4 members)
- America's Playground armor and clothing (25 members)
- America's Playground armor and clothing images (16 members)
- America's Playground audio dialogues (1,821 members)
- America's Playground audio holotapes (1 member)
- America's Playground character images (103 members)
- America's Playground characters (8 members)
- America's Playground characters by faction (3 members)
- America's Playground characters by location (4 members)
- America's Playground creature images (16 members)
- America's Playground creatures (5 members)
- America's Playground dialogue files (36 members)
- America's Playground ghoul characters (3 members)
- America's Playground holotapes (7 members)
- America's Playground human characters (41 members)
- America's Playground images (11 members)
- America's Playground item images (4 members)
- America's Playground items (6 members)
- America's Playground location images (126 members)
- America's Playground locations (8 members)
- America's Playground mentioned-only characters (7 members)
- America's Playground mentioned-only content (2 members)
- America's Playground mentioned-only locations (1 member)
- America's Playground note images (30 members)
- America's Playground notes (45 members)
- America's Playground plans (155 members)
- America's Playground quest images (13 members)
- America's Playground quests (10 members)
- America's Playground robots and computers (0 members)
- America's Playground source texts (4 members)
- America's Playground terminal entries (4 members)
- America's Playground voice actors (16 members)