Peter Heardghana's Keen 1 Level
This is a custom level for Keen 1 made by Peter Heardghana in 1999-02-28, and is the only known Keen-related work by that user to date. It is a upwards scrolling screen-width level with many optional areas. It has several exits which you can choose or continue your journey. There is also a teleporter that leads to the secret level. You can get all 4 ship parts in this level. The level was included in Neil McRae's 2nd Levelpack as Level 22.
Level Data and Map
Spoiler Warning! This shows the whole level.