
10-1 solution

10-2

10-2 solution

10-3

10-3 solution
https://www.youtube.com/watch?v=I93zXqjM4n8
10-4

10-4 solution
https://www.youtube.com/watch?v=Uob7_3k4pmQ
It's neat that both 10-3 and 10-4 revolve around taking advantage of the slug respawn. They're the only stages in the game that require you to use it, if I recall correctly. It's like that's the ultimate challenge of the game, the one they saved for last, and they squeezed two puzzles out of it.
10-5

http://web.cn.edu/kwheeler/freytag.html