what a delightful game! fun mechanics, fun secrets – I enjoyed it the whole way through (I won with rank 5). The gamespeed options were very very nice – thank you for that.
Brief review of a bit of neat design I liked: There are only 4 metroidvaniaesque powerup items, but as you play you grow your inventory and can carry more of them simultaneously. So, you basically always know what you need to pass any given obstacle, but you might have to think hard about how to get back to that room with the combination of powerups you need