For a first game Jame this is great! Obviously there are things you can work on here like animations and a little better hit detection but it feels almost like a super meat boy type game, with the fast respawn and the funky music to go with it. As for some things that would be good to think about next time, the music didn't seem to fit the setting but there wan;t much backstory either so maybe it could have. When going in the rewind section the player is still on the left side of the screen making it very difficult to see incoming obstacles, a bit of a readjustment of the camera would have been nice. great job keep it up!