World's Hardest Game at Cool Math Games: It really is. Don't ask me how to beat it. I can't. But I've seen it done and it's possible. You guys have been begging. The World's Hardest Game. StrikeForce Kitty 3 Pandas Crazy Skater Red Ball Sticky Ninja Academy 4th and Goal Salon Slacking Foot Chinko. Use The Arrow Keys Or W,A,S,D To Move The Red Square. When you click Play Game, The Instructions will come up. After You Beat The.