Amped 3

Cheat mode:
Select "Options" at the main menu, then choose the "Cheat Codes" option. Enter one of the following codes at the "Cheat Codes" screen to activate the corresponding cheat function. The word "On" will appear to confirm correct code entry. Note: The game cannot be saved when the codes are enabled.

All sleds:
Press RT, X, LT, Down, Right, LB, LT, RT, Y, X at the cheat codes screen.

All gear:
Press Y, Down, Up, Left, Right, LB, Right, RT(2), RB at the cheat codes screen.
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All levels:
Press X, Y, Up, Left, LB(2), RT, X, Y, LT at the cheat codes screen.

All music:
Press Up, Left, RT, RB, RT, Up, Down, Left, Y, LT at the cheat codes screen.

All tricks:
Press LB, RT, Y, Up, Down, X, LT, Left, RB, RT at the cheat codes screen.

All challenges:
Press Right, LB, LT, X, Left, RB, RT, Y, LT, X at the cheat codes screen.

All configs:
Press Down, X, Right, LB, Right, RB, X, RT, LT, Y at the cheat codes screen.

Full Awesome meter:
Press Up, RT, X, Y, LB, X, Down, LB, RT, RB at the cheat codes screen.

All Awesomeness:
Press RB(2), Down, Left, Up, RT, X, RB, X(2) at the cheat codes screen.

All build licenses:
Press Left, RT, LB, RT, X(2), Y, Down, Up, X at the cheat codes screen.

All build objects:
Press LT, RT, Up(2), RB, Left, Right, X, Y, LB at the cheat codes screen.

Loud speakers:
Press Y, RT(2), LB, Down(2), Left(2), Right, LB at the cheat codes screen.

Low gravity:
Press RT, Down(2), Up, X, LB, Y, RT, Y, Down at the cheat codes screen.

Super spins:
Press X(4), Y(3), X at the cheat codes screen.

Disable AI:
Press X(2), LB, Down, Right(2), Up, Y(2), LT at the cheat codes screen.

Unknown:
Enter Up(2), Down(2), Left, Right, Left, Right, X, Y at the cheat codes screen.
Please submit any information regarding this code.

Hang glider slide:
Successfully complete story mode.

Park Builder items:
Achieve the indicated number of points in a combo to unlock the corresponding item in Park Builder mode.

Helicopter: 800,000 points
Lighthouse: 1,000,000 points

Badges:

Park Designer Merit Badge: Build over 200 terrain park objects.
Sledding Merit Badge: Get over 1,000,000 points in sledding scores.
Snowmobiler Merit Badge: Travel over 10 kilometers on a snowmobile.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.
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King Of The Mountain Lab (40 points): Impress the required number of bystanders in each area of DC to Own the Mountain.

Laax Stock And Barrel (40 points): Impress the required number of bystanders in each area of Laax to Own the Mountain.

Northstar Nirvana (60 points): Impress the required number of bystanders in each area of Northstar to Own the Mountain.

Rescued Weiner Boy! (90 points): Finish Act 3 story mode by rescuing Weiner Boy and gaining access to the secret C.A.I. area.

Snowbird Bound! (70 points): Complete Act 1 of story mode to unlock the Snowbird resort.

Snowbird Dawg (60 points): Impress the required number of bystanders in each area of Snowbird to Own the Mountain.

Vamonos a South America (80 points): Complete Act 2 of story mode to unlock Valle Nevado.

Viva Valle! (60 points): Impress the required number of bystanders in each area of Valle Nevado to Own the Mountain.

Reunited… And It Feels So Good (100 points): Finish Act 4 of story mode by rescuing the rest of the crew.

Big Musical Finale (100 points): Defeat the Baron.

Sledding Merit Badge (30 points): Earn over 1,000,000 points in sledding scores.

Snowmobiler Merit Badge (30 points): Travel over 10 kilometers on a snowmobile.

Park Designer Merit Badge (30 points): Build over 200 terrain park objects.

Lesser Snow God (70 points): Earn any medal for All challenges and media callouts.

Supreme Snow God (140 points): Earn a Gold medal for All challenges and media callouts.

Hint: Easy Park Builder achievement:
The quickest and easiest way to get the Achievement unlocked for the Park Builder is to go into design mode and place as many benches as you can (or something else that costs 10 points). Once you have run out of park builder points, delete all the benches and repeat the process. You will unlock this achievement in about two minutes.