Just the right level of challenge as usual, great gameplay, music and all, the only thing I'm missing is a bit more rewarding a game completion screen. ;)
Also seems there must've been some API time out when I played level 26, as that and the next medal didn't unlock - rechecking didn't help either - but fortunately progress saves so you can easily play them again; they unlocked then. Minor hassle.
Overall great game!
-cd-