This is a really good game. It very much reminds me of Braid, seeing that both games are side-scrolling puzzle-solving games. The checkpointing is generous, which I’m grateful for. I wish more games checkpointed as frequently as this.
One thing about this game is that the puzzles start out easy, but get pretty darn hard toward the end. Keeping the Braid comparison going, I never once looked at a walkthrough or FAQ for Braid, but had to refer to one a number of times for this game.
All in all, really well made.