First person I know of that's completed all the challenges - well done - some real tough ones in there!
Viewing post in A slightly more in-depth look at Polymaniacs
Really? I'm actually surprised by that. But yeah, it definitely was no walk in the park. ET Phone Home and Kidnapped left me puzzled for a while, until I found out their surprisingly simple solutions, and I really had to dig deep to beat Oh No UFO, Space Raiders, Against All Odds, Road Warriors, and the challenges involving tagging vehicles. It was quite the wild ride.