Tony Hawk's Underground
Perfect skitches:
Select "Cheat Codes" at the options menu, then enter rearrider
as a code. Alternately, get all 129 goals.
Perfect rail balance:
Select "Cheat Codes" at the options menu, then enter letitslide
as a code. Alternately, get all 129 goals.
Perfect manuals:
Select "Cheat Codes" at the options menu, then enter keepitsteady
as a code. Alternately, get all 129 goals.
All skaters:
Select "Cheat Codes" at the options menu, then enter getemall as
a code.
Moon gravity:
Select "Cheat Codes" at the options menu, then enter getitup as a
code. Alternately, get all 129 goals. Note: This does not work
when driving.
Increased speed:
Select "Cheat Codes" at the options menu, then enter moveinfast
as a code.
All FMV sequences:
Select "Cheat Codes" at the options menu, then enter gidvid as a
code.
Play as T.H.U.D.:
Select "Cheat Codes" at the options menu, then enter NOOO!! as a
code.
Cheat mode:
Successfully complete the game under any difficulty setting. Then,
go back and complete all the goals to unlock all of the cheat
options.
Pre-made skaters:
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
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)
Cool Specials:
Get all 129 goals.
Kid Mode:
Get all 129 goals.
Rollerskates:
Get all 129 goals.
Flame:
Get all 129 goals.
Always Special:
Get all 129 goals.
Hotter Than Hell level:
Get the last goal (Kill Eric's Best Line) to unlock the Hotter
Than Hell level, which features Kiss. You will also unlock the
Helicopter FMV sequence.
Play as Gene Simmons:
Successfully complete story mode under the normal difficulty
setting.
Play as Iron Man:
Successfully complete story mode under the beginner difficulty
setting.
Play as T.H.U.D.:
Successfully complete story mode under the sick difficulty
setting.
Play as pedestrians:
Clear all gaps in the game to unlock 26 playable pedestrians,
including Eric Sparrow, Ollie The Magic Bum, the Chef Dude (makes
you do the Boneless and No Complys), the rest of members of KISS,
a drug addict, and a drug dealer.
The following is a list of all the pedestrians that are unlocked
get when you find all of the gaps.
Eric Sparrow
Todd The Manager
Neversoft Chef
Jersey Bum
A Crack Addict
A Drug Dealer
Factory Worker
Security Guard
Street Warrior
Headstone Harry
A Buisness Man
Manhatten Cop
Construction Worker
State Trooper
Hotel Desk Clerk
Hotel Door Man
DJ Obert
Team Filmer
Leaf Blower Guy
Gardener
KGB Member
Tank Guard
Paul from KISS
Peter from KISS
Ace from KISS
Create-a-deck mode:
Successfully complete Slamma Jamma in story mode.
Kiss Concert FMV sequence:
Collect all the letters that spell K-I-S-S in the Hotter Than Hell
level. This will unlock the Kiss FMV sequence. Then, collect
K-I-S-S again. This will start the KISS Concert.
Bails 1 FMV sequence:
Collect three secret tapes.
Bails 2 FMV sequence:
Collect six secret tapes.
Always Hard FMV sequence:
Collect nine secret tapes.
Lost Footage FMV sequence:
Complete the game under the too easy and beginner difficulty settings
to unlock a new "Lost Footage Tape", in which instead of challenging
Eric, you punch him and take the tape.
Alternate ending sequence:
Successfully complete story mode twice or complete sick mode to view
an alternate ending sequence.