I beat the game on easy mode. I beat the time on every single level. Did not receive any of those achievements. What's going on? 
Great game, by the way. It's a shame that not many players play online at the moment. Guess I was too late to the game (just got it almost two weeks ago).
Great game, by the way. It's a shame that not many players play online at the moment. Guess I was too late to the game (just got it almost two weeks ago).