Ok I found a MAJOR glitch. In the second level (The blue one) at the bottom of the level it is possible to jump the gate. Fall down the hole and hit the spring. Jam left and hit the "A" button and you should roll through the upper wall, then glide over the gate and finish the level.
 "Warbears Adventures : An A.R. X-Mas"){kind=icon}
 "Understanding Games: Episode 4"){kind=tracking}
 "Rage 3"){kind=icon}