The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- $ (1 member)
- Ages (1 member)
- Albums (2 members)
- Blog posts (1 member)
- Books (2 members)
- Browse (7 members)
- Candidates for deletion (3 members)
- Characters (2 members)
- Civilization (1 member)
- Currencies (6 members)
- Dinosaurs (17 members)
- Disambiguations (0 members)
- Effect on the Main Simulation (1 member)
- Episodes (2 members)
- Events (2 members)
- Evolution (3 members)
- Gameplay Mechanics (2 members)
- Generators (46 members)
- Geode (4 members)
- Habitat (3 members)
- Help (0 members)
- Ideas (1 member)
- Images (2 members)
- Items (4 members)
- Land (7 members)
- Land Generators (5 members)
- Life (14 members)
- Locations (2 members)
- Mammals (3 members)
- Mesozoic Valley (2 members)
- Ocean (8 members)
- Ocean Generators (4 members)
- Pages with broken file links (4 members)
- Pre-Historic Mammals (1 member)
- Pre-Middle Age (1 member)
- Pre-Middle Age Generators (1 member)
- Primordial Soup (7 members)
- Primordial Soup Generators (4 members)
- Quests (2 members)
- Rise of Reptiles (5 members)
- Stubs (1 member)
- Template documentation (26 members)
- Templates (27 members)
- Templates/Infobox (8 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Upgrades (1 member)
- Videos (4 members)
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