Underground Level, Underground Base, and Vorticon
Underground Level, Underground Base, and Vorticon are three custom Keen 3 levels by Grelphy. The third level, Vorticon, freezes the game once it is entered and therefore it cannot be entered.
Spoiler warning! This shows whole levels.
- Text: left unchanged
- Graphics: same Keen 3 graphics
- Levels: 3 levels, 1 broken level
- Tools used: Unknown