Amanita Design, the folks who brought us the maddening Samorost, defies you to try Questionaut. The premise is that you need to fill your balloon with gas, but you have to answer general knowledge questions to get it. Those are easy. Meanwhile, you spend most of your time on each level trying to figure out what to do to get the questions going. I played this game years ago, but danged if I could remember any of the secrets. If you get stuck, here’s a guy who’s figured it all out. -via the Presurfer