:: video games cheat and cheat codes ::                                            

Sony PSP - Tony Hawk's Underground 2 Remix cheats

Unlock Perfect Rail Balance: Enter TIGHTROPE
Unlock original Tony Hawk's: Enter BIRDMAN

Unlock Shrek + Space Monkey: Finish story mode in the easy setting

Unlock Doctor, Captain, Lost Soul, Paulie Ryan, The Hand +
Pro Skater School, Pro Skater 3 Canada, Pro Skater levels:
Finish story mode in normal setting

Run:
When you not skateboarding, press X to run. 

Complete all gaps to unlock the following cheats:
Always Special 
Moon Gravity
Perfect Grind
Perfect Manual
Perfect Skitch