The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- PSP3D Ultimate Goodies And Cash Giveaway (7 members)
- PSPSource.de LUA Coding Competition 2006 (2 members)
- PSPSource Summer Coding Competition 2007 (16 members)
- PSPUpdates Homebrew Contest (7 members)
- PSPUpdates Summer Homebrew Contest (13 members)
- PSP Genesis Competition 2011 (110 members)
- PSP Homebrew Game Competition 2013 (31 members)
- PSP Homebrews (2,187 members)
- PSP Monthly Game Jam! 1 (4 members)
- PSP News and Lik Sang 15 Day Lua Coding Comp (9 members)
- PSP News and Lik Sang 30 Day Coding Comp 1 (7 members)
- PSP News and Lik Sang 30 Day Coding Comp 2 (9 members)
- PSP game hacks (22 members)
- PSP game translations (87 members)
- PSP hack utilities (1 member)
- PSP homebrew applications (691 members)
- PSP homebrew contests (50 members)
- PSP homebrew demos (0 members)
- PSP homebrew emulators (177 members)
- PSP homebrew games (1,158 members)
- PSP homebrew plugins (0 members)
- PSP homebrew system tools (1 member)
- PSP open source homebrew (636 members)
- PSP plugins (171 members)
- PSP rom hacks (112 members)
- PSPgen Devs Contest (15 members)
- Pages marked as obsolete (368 members)
- Pages using TabberTransclude parser tag (13 members)
- Pages using Tabber parser tag (124 members)
- Pages using deprecated source tags (15 members)
- Pages using duplicate arguments in template calls (2 members)
- Pages with broken file links (29 members)
- Pages with ignored display titles (8,910 members)
- Pages with script errors (4 members)
- Pages with syntax highlighting errors (18 members)
- Payload Senders for Switch (27 members)
- Payloads for Switch (20 members)
- Platform Games on GB (0 members)
- Platform games on 3DS (53 members)
- Platform games on DS (116 members)
- Platform games on GB (93 members)
- Platform games on GBA (90 members)
- Platform games on PSP (130 members)
- Platform games on Switch (36 members)
- Platform games on Vita (112 members)
- Platform games on Wii U (6 members)
- Platform games on Xbox (21 members)
- Plugins on Switch (7 members)
- Protected templates (13 members)
- Puzzle Games on GB (0 members)