Initially disliked the game, but then gave it another try and enjoyed it. Music fits well, the animations are cute and levels are short and sweet so that there's not much backtracking. I think there could be some extra visual feedback in the game. For example whether the adventurer is occupied and you can safely walk next to him or not. Also perhaps spikes should be considered safe after you lure an enemy into them and they got triggered already.
Also a minor thing but the back and forth twitch when moving the camera feels awkward. It doesn't show up on the early levels as they fit entirely on the screen but it's visible on later stages where there's scrolling.