The concept was literally "Rewind" and it was so enjoyable! That being said it was a bit tricky to understand the rock part at first, when the audio line was that you have to go fast but you just have to time the pause button with the audio queue.
As others have said, lava part was a bit difficult and tedious. It did make me want to quit after falling in at the end, but I wanted to see the ending so I pushed through haha.
Hopefully you add more levels to the game since the concept is really fun, and maybe some more puzzle-like stages rather than platforming would be interesting!