Dark Summit

Xbox

Unlock All Riders:
Go to the Choose Challenge menu (reached by selecting the Play Dark Summit option from the main menu). Then press and hold both the START and the BACK buttons while either the Continue Game or the New Game options are highlighted. Continue to hold the Start and BACK buttons while you press Y, L-trigger, X, B, R-Trigger, A, R- Trigger, B. you will here a light chime noise when the code is entered correctly and then just scroll right or left to select any of the new riders.

Extra Points:
Hold Back + Start and press Y, L, X, B, R, A, R, A. If done correctly, a chime will sound. You will have 9,100,000 lift points which will unlock all lifts other than Moon Gate. You will also have 9,100,000 equipment points, which will unlock all boards, accessories, and special tricks.

Challenges Completed:
Hold Back + Start and press Y, L, X, B, R, A, R, Y. If done correctly, a chime will sound. All challenges except for 43 (Race The Chief), 48 (Bomb #5), 49 (Alien Half Pipe), and 50 (Storm HQ) will be completed. You will have all theBomb Pieces, except number 5.

Alien Unlocked
Hold Back + Start and press Y, L, X, B, R, A, R, X. If done correctly, a chime will sound. Challenges 43 (Race The Chief), 48 (Bomb #5), 49 (Alien Half Pipe), and 50 (Storm HQ) will be completed. You will also have Bomb Piece number 5.

Shoot Projectile
Hold Back + Start and press Y, X, B, R. If done correctly, a chime will sound. Press L + R to shoot a barrel with a projectile.

Slow-motion Mode
Hold Back + Start and press Y, X, B, L. If done correctly, a chime will sound. Press L + R in the air or during a railslide to activate slow motion mode. This mode automatically ends when you hit the ground.

Faster Recovery:
Press A to get up more quickly after falling down.

Thanks to Revolution reader razorz_edge!