The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Actors (58 members)
- Alive (32 members)
- Antagonists (24 members)
- Article management templates (7 members)
- Article stubs (0 members)
- Articles needing cleanup (0 members)
- Articles needing screenshots (0 members)
- BlogListingPage (0 members)
- Blog posts (23 members)
- Candidates for deletion (0 members)
- Candidates for merge (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (4 members)
- Chapters (77 members)
- Character Themes (5 members)
- Characters (80 members)
- Children (19 members)
- Community (8 members)
- Composers (4 members)
- Consoles (6 members)
- Content (15 members)
- Copyright (1 member)
- Deceased (11 members)
- Disambiguations (17 members)
- Endings (19 members)
- Ethan Mars Chapters (29 members)
- Ethan Mars Characters (15 members)
- Events (2 members)
- Families (6 members)
- Fan Art (1 member)
- Fathers (8 members)
- Female Characters (15 members)
- Fight Themes (7 members)
- Files (1 member)
- Forums (6 members)
- Gameplay (106 members)
- Games (17 members)
- General wiki templates (36 members)
- Heavy Rain (116 members)
- Heavy Rain Chronicles (10 members)
- Heavy Rain Wiki (7 members)
- Help (5 members)
- Help desk (5 members)
- Hidden categories (2 members)
- Image wiki templates (10 members)
- Images (779 members)
- Infobox templates (0 members)
- Limbo (6 members)
- Lists (5 members)
- Locations (36 members)
- Madison Paige Chapters (15 members)
- Madison Paige Characters (21 members)
- Male Characters (49 members)
- Media (10 members)
- Miscellaneous (15 members)
- Mothers (4 members)
- Music (22 members)
- Norman Jayden Chapters (18 members)
- Norman Jayden Characters (19 members)
- Organisation (0 members)
- Organization (8 members)
- Origami Killer Victims (11 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (12 members)
- People (3 members)
- Playable Characters (4 members)
- Policy (3 members)
- Protagonists (5 members)
- Purgatory (13 members)
- Quantic Dream (13 members)
- Scott Shelby Chapters (23 members)
- Scott Shelby Characters (22 members)
- Screenshots (26 members)
- Site administration (4 members)
- Site maintenance (8 members)
- Soundtrack (20 members)
- Staff (6 members)
- Template documentation (64 members)
- Templates (9 members)
- Transcripts (59 members)
- Trials (5 members)
- Trophies (7 members)
- Utility Templates (1 member)
- Vehicles (11 members)
- Videos (121 members)
- Walkthroughs (38 members)
- Watercooler (7 members)
- Weapons (18 members)