The visuals and sounds are a great match for the gameplay. Was listening to Caramelldansen while playing.
Levels 7 & 8 are easier than 6.
The wall dash at the start of level 10 is frustrating.
Entering a door instead of the elevator resets your progress if you have a save.
Tutorialising is good and the movement feels right.
Found a visual bug when facing away from a wall but close enough to wallslide: