Thanks for your feedback, it really opened my eyes to the game design and the difficluty of the game.
The movement is hella buggy, sadly I did not have enough time to iron out the kinks. It was my first attempt at a bit more complicated 3D movement.
The rewind feature was there just because I wanted to make it a bit harder. I thought the game was too easy and pretty short, so I thought adding a rewind feature would extend the replayability effect (But I guess not XD).