Dave Mirra BMX Challenge - Platform: Wii Backflip and frontflip in one jump: ----------------------------------- Use all of your boost before you hit a ramp. Immediately after you jump off the ramp, quickly press Down, Down, 1, Up, Up, 1. It is possible to land the trick. Cheat: ------ Submitted by: daniel Unlock everything: unlock everything alows u to unlock places,bikes, clothing and everything else