Achievements:ACHIEVEMENT – HOW TO UNLOCKPerfect! (30 points) – Complete a level with 100% accuracy. Collector. (50 points) – Unlock all extras. Silver Record. (20 points) – Acquire all badges on 2 levels. Gold Record. (40 points) – Acquire all badges on 4 levels. Platinum Record. (60 points) – Acquire all badges on all levels. Double Platinum! (80 points) – Acquire all badges on Hard difficulty. Multi Platinum! (100 points) – Acquire all badges on Thrasher difficulty. Trailer Trashed. (20 points) – Defeat the Trailersaurus Boss. Mythbusted. (20 points) – Defeat the Crocodile Boss. Crazy Train. (20 points) – Defeat the Rat Boss. Unidentified Rocking Object. (20 points) – Defeat the UFO Boss. Rocked the Doodlebug. (20 points) – Defeat the Ant Lion. Black Hole Strum. (20 points) – Destroy the Transport Boss. Heavy Metal. (20 points) – Defeat the Spider Boss. Fender Bender. (30 points) – Complete 10 challenges. Finger Pickin Good. (60 points) – Complete 20 challenges. In the Zone. (50 points) – Obtain a score multiplier of 100. Rock to the Rescue! (50 points) – Finish the game and get the good ending. Social Destruction. (50 points) – Finish the game and get the evil ending. Groovy! (50 points) – Fully upgrade your shield or blast attack. Rock Will Protect Me! (30 points) – Complete any level taking no damage. Gettin the Band Back Together! (20 points) – Play a co-op game. I Need a Burger! (20 points) – Use shield with less than 25% health. It