Original URL: http://www.psxextreme.com/ps2-cheat-print/219.html
Downhill Domination

Unlock Code

This code must be entered before any other code will work: Up, Triangle, Down, X, Left, Circle, Right, Square 

After entering the Unlock Code, enter the following codes quickly during gameplay:

Anti Gravity: Down, Triangle, Square, Square, Up 
Mega Flip: Right, Up, Up, Right, Right, Square 
Super Bunny Hop: Up, X, Left, Square, Up 
Adrenaline Boost: Down, Left, Left, Right 
Stoke Trick Meter: Down, Left, Left, Right, Right 
Combat Upgrade: Up, Down, Left, Left, Right 
Upgrade to Bottle: Up, Down, Left, Left, Right, Right 
Energy Restore: Down, Right, Right, Left, Left
Super Bounce: Left, Square, X, Up, Triangle 
Free Money: Right, Up, Up, Circle, Circle, Square.
Combat Free: Left, Square, Circle, Square, Left