Enter the following codes at the 'Cheats' menu to unlock the corresponding.

Unlock Mat Hoffman:
The_condor

Perfect Manual Balance:
2wheels!

Unlock Perfect Skitch Balance:
H!tchar!de

Unlock Moon Gravity:
2them00n

Unlock Perfect Grind:
Grindxpert

Special Meter Always Full:
Uronfire

Unlock Lil Jon to Skate with:
Hip2Dhop

Always Special:
Complete ALL gaps in every level

Unlock Moon Gravity:
Complete ALL gaps in every level

Unlock Perfect Rail:
Complete ALL gaps in every level

Unlock Perfect Skitch:
Complete ALL gaps in every level

Unlock Perfect Manual:
Complete all gaps in every level


Unlockable Skaters
Do the following tasks to unlock the corresponding skater.

Unlock Robo-Tony, Mindy:
Beat Story on Easy

Unlock Billie Joe, Boone:
Beat Classic on Normal

Unlock Jimbo, Murphy, Mega:
Beat Story mode on Sick

Unlock Lil' John, Iggy, Jason Ellis:
Beat Story mode on Normal difficulty setting

Unlock Matt Hoffman, Useless Dave:
Beat Classic mode on Sick difficulty setting

Unlock Ped. Group A: Baller, Welder, Camera Guy, Cholo:
Beat Story mode 100%

Unlock Ped. Group B: Carnival Worker, Dogtown Guy, French Man:
Get ALL 43 Skate ranch pieces and complete ALL the Skate Ranch missions

Unlock Ped. Group C: Master Zen, Hard Hat Worker, Dogtown Guy 2, Graffiti Dude:
Beat Classic 100%

Unlock Ped Group D: Oil Rig Worker, Police Man, Performer, Boone in Briefs:
Complete ALL Gaps

Unlock Pro Bails 1:
Beat Classic on any difficulty

Unlock Pro Bails 2:
Complete Story 100%

Neversoft Skaters:
Beat Classic 100%

American Wasteland:
Beat Story on any difficulty