I loved the idea and how the rewind concept changes the world around! The game and the puzzles are really interesting and fun! With a little bit more of visual polishment, would be awesome!
Also, the only problem that i found was that sometimes you need to wait a long time until the clock reachs the next stage, a way to make time faster should be a nice implementantion! But it's not a big deal, still a great game!
Congrats and great job! :D