The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Core Part Data (5 members)
- Creating parts (0 members)
- Custom Modules (3 members)
- Developing basics (0 members)
- Game UI (1 member)
- Game systems (6 members)
- Getting started (3 members)
- KSP 1 code conversion (1 member)
- Messages (1 member)
- Orbits (1 member)
- Pages with syntax highlighting errors (2 members)
- Part textures (2 members)
- Parts and modules (14 members)
- Parts modding (5 members)
- TOC (7 members)
- Tools (1 member)
- Tutorials (5 members)
- UI (1 member)