When I first saw the theme I wasn’t sure if I should enter at all. It doesn’t seem to be all that applicable. Anyway, since right now I’m on a Buggy Boy trip i thought about this:
A future gameshow. Run towards a goal without getting stopped by the advancing walls of doom. Grab the cash prizes in between but don’t forget that the next wall is moving towards you.
Here’s a preview with a tiny wall of tiny doom advancing slowly: