I enjoyed this cool little game! Most of the issues I had have already been said (slippery controls, rewind doesn't really have a purpose, etc.), but one that I didn't see mentioned is that the boxes at the bottom with character art aren't really explained. I had no idea what they were, I figured maybe they were like the characters "disappearing" like the movies, but they seemed to be linked to the items I collected. I wasn't able to finish the game, so maybe I missed something. I did like the idea behind the game though, and I think using Back to the Future is a really cool interpretation of the theme. Great job!