Amped 3

Unlock All sleds Enter RT, X, LT, Down, Right, LB, LT, RT, Y, X as a code at the 'Cheat Codes' screen under the options menu. Unlock Snowbird Bound!
Finish Act 1 of the story Unlock Northstar Nirvana
Impress the required amount of bystanders in Northstar Unlock Snowbird Dawg
Impress the required amount of bystanders in Snowbird Unlock VIVA VALLE!
Impress the required amount of bystanders in Valle Nevado Unlock Laax Stock & Barrel
Impress the required amount of bystanders in Laax Unlock King of the Mountain Lab
Impress the required amount of bystanders in DC Unlock Vamonos a South America
Finish Act 2 of the story Unlock Rescued Weiner Boy!
Finish Act 3 of the story Park Builder items
Get the indicated number of points in a combo to unlock the corresponding item in Park Builder mode: Lighthouse - 1,000,000 points Helicopter - 800,000 points Unknown Result
Enter Up(2), Down(2), Left, Right, Left, Right, X, Y as a code at the 'Cheat Codes' screen under the options menu.