Select "Cheat Codes" at the options menu, then enter "letitslide" as a code.
Perfect Rail Balance - Alternate Code
Enter "SWEETBALANCE" on the cheats codes screen in the options menu.
Unlock Iron Man
Successfully complete the game in story mode.
Unlock All T.H.U.G. Movies
Enter the code "digivid" to unlock all movies. If you come in first place, you are given the code "holeshot" which must be entered in at www.mtxmototrax.com. Then you are given the "digivid" code for T.H.U.G. This code does not have to be turned on in the pause/cheat menu.
Unlock Gene Simmons From KISS
Complete story mode on either the Normal or Sick difficulty.
Unlock Creature
Complete story mode on the Sick difficulty setting.
Unlock Pedestrians
Find every gap in the game and you will be able to play as over 2 dozen pedestrians found in the game.
Unlock "The School 2" Stage
To unlock the school stage from Tony Hawk's Pro Skater 2, you must grab the icon the spins over the train tracks in New Jersey. To reach the icon, grind from the quarter-pipe on the left of the hospital and get on the roof. Switch to walk mode and step around the ledge over the tracks. "The School 2" is now selectable.
Moon Gravity Cheat
Select "Cheat Codes" at the options menu, then enter "noforce" as a code. You can also get this code if you complete all 129 goals.
Perfect Manual
Enter "keepitsteady" on the cheat menu.
Unlock T.H.U.D.
Beat the story mode on sick difficulty to unlock T.H.U.D.
Unlock Secrets
If you complete all 129 goals, you will unlock the following:
In the Hawaii level, find the tiki statue. Jump into its mouth and ride down the tunnel to the end. Get the item to unlock the Venice level.
Unlock Hangar Level
Go to Moscow and find the brown building near the tanks. Go around until you see the side where it is connected to X-mas lights. Climb up and grind the ledge toward the big building opposite of the tanks and jump into a window. Inside is the item that unlocks the level.
Unlock KISS Videos
In the "Hotter than Hell" level, if you collect the letters K-I-S-S, you will unlock a short video of a KISS concert. Then if you collect them again, KISS will perform a live concert.
Unlock Create-A-Deck Mode
To Unlock Create-A-Deck mode, complete Slamma Jamma in story mode.
Wallows Secret
In Hawaii, go to Wallows and get into walking mode. On the left side climb up the fence and jump to the balcony. Don't fall on the ground or else the dogs get you. When you get on the balcony walk to the end of it and jump onto the stone wall. Start walking on that and jump and grind the wooden fences until you see a mini-pipe in a big porch with a fence around it. Jump into there and then you'll get to skate in a mini-pipe.
