S-Bend

Checkers

I find the original Zipper-level somewhat more pleasing over this one.

Locked

Concealment

Dilemma

Agree with Reach; I don't feel like a lesson was learned here as the correct exit is too straightforward.

Healthy Start

Puckman

I found this one to be (a lot) easier than I first expected. Lovely visuals.

Shoe

Due to the constraints, the possible approaches are limited. Of course I got it wrong first, but I now understand the logic of the step saving. However that is no guarantee I'll recognize and remember the trick in other levels :-)

Zeck

"Make sure you'll be able to go around or you'll be forced to go around"