Press: Space, (Or Up) to go up, left arrow to go left, etc. Try to grab the coin. (Hints: Don't judge a game by it's cover, and, it doesn't stay easy)
Recent Updates: Mode Update! How it works: Click Bob, (The Blue Dude), to get a typing box. Type either Yes, or No, for helpful mode. Helpful mode shows a bell to go where the coin is. The bell isn't there when you say no.