The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Explanatory guides for Playstation 4 (1 member)
- Explanatory guides for Playstation 4 Pro (1 member)
- Explanatory guides for Playstation 4 Slim (1 member)
- Explanatory guides for Printers (3 members)
- Explanatory guides for RTX 2060 (5 members)
- Explanatory guides for RTX 2070 (5 members)
- Explanatory guides for RTX 2080 (5 members)
- Explanatory guides for RTX 2080Ti (5 members)
- Explanatory guides for RX 460 (7 members)
- Explanatory guides for RX 470 (7 members)
- Explanatory guides for RX 480 (7 members)
- Explanatory guides for RX 560 (7 members)
- Explanatory guides for RX 570 (7 members)
- Explanatory guides for RX 5700 (4 members)
- Explanatory guides for RX 5700XT (4 members)
- Explanatory guides for RX 580 (7 members)
- Explanatory guides for RX 590 (7 members)
- Explanatory guides for Raspberry Pi (4 members)
- Explanatory guides for Resistors (1 member)
- Explanatory guides for Television/Monitors (2 members)