I thought those mice were rocks at first and was wondering when I saw the ending result where are those two mice that I missed =D Concept is neat and the time slow mechanic is quite cool. Good job!
Did the game broke and the rats didn't move or did you genuinely thought they are rocks despite the fact that they moved?
I genuinely thought they were rocks when I was just moving and jumping quickly and didn't notice that they were slightly moving lol.