Tony Hawk's Underground Codes -

Perfect rail balance:
Pick CHEAT CODES in the options prompt, the sumbit the code letitslide . Alternately, get all 129 goals.

Perfect manuals:
Pick CHEAT CODES in the options prompt, the sumbit the code keepitsteady . Alternately, get all 129 goals.

Perfect skitches:
Pick CHEAT CODES in the options prompt, the sumbit the code rearrider . Alternately, get all 129 goals.

Every Skater:
Pick CHEAT CODES in the options prompt, the sumbit the code getemall.

Moon gravity:
Pick CHEAT CODES in the options prompt, the sumbit the code getitup . Alternately, get all 129 goals. This does not work when driving.

All FMV sequences:
Pick CHEAT CODES in the options prompt, the sumbit the code digivid .

Unlock T.H.U.D.:
Pick CHEAT CODES in the options prompt, the sumbit the code NOOO!!
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Pre-made skater:
Go to create a skater and change the name to one of the following entries. The character will change into the corresponding skater.

1337 (Rulon Raymond)
Akira2s (C Surla)
Alan Flores buffoon (Pete Day)
Alex Garcia
Andy Marchel
arrr (Captain Cody)
Bailey
Big Tex (green skinned cowboy with a cowboy hat, cowboy boots, Hawaiian shirt, shoots, and a tribal tattoo)
Chauwa Steel
Chris Rausch
ChrisP (Chris Peacock)
CodePirate
crom (Eric Grosser)
Daddy Mac (Dana MacKenzie)
Dan Nelson
Dave Stohl
DDT (Darren Thorne)
deadendroad (Ralph D'Amato)
fatass (Brad Bulkley)
FROGHAM (Kendall)
GEIGER (Jake Geiger)
Glycerin
GMIAB
Greenie
grjost
Guilt Ladle (Kevin Mulhall)
Hammer (Ted Barber)
Henry Ji
Jason Uyeda
Jeremy Andersen
Joel Jewett
Johnny Ow (Chum)
leedsleedsleeds (Wardy)
MARCOS XK8R
Mike Ward
moreuberthaned (Mikey Ortai)
M'YAK (Rock)
Noly (Nolan Nelson)
NSJEFF (Jeff Morgan)
POOPER (Paul Robinson)
sik®
Skillzombie
Stacey D
Steal2Liv
tao zheng
The Kraken
The Swink
THEDOC (Adam Lippmann)
Todd Wahoske
TOPBLOKE (Dave Cowling)
TSUEnami! (Todd Sue)
woodchuck (Michelle Deyo)
Y2KJ
Yawgurt (Gary Jesdanun)
ZiG (Zac Drake)