Welcome to Hell

A 5-level solo effort (four if you don't find the secret level). Straightforward in design, and a bit hokey when it comes to plot, but fun to play nonetheless. See if you can find the secret level without resorting to Forge...

Levels in map "Welcome to Hell!":
Power Up
Welcome to Hell!
When Hell Freezes Over
Aw Hell!
Gullivers Travels