"Skin Deep" is pretty good! Has a very sensible ratio of unpredictable systemic mayhem and deliberate puzzle-like level design choices. The levels are small, typically 4 or 5 rooms, but on the other hand most levels have some kind of special mechanic or side mini-plot. The pacing is good, the challenges are comprehensible, and while you have to figure out stuff on your own, the process of figuring them out is fun. Overall feels more like a dessert than a main course, but I find it tasty.