This code you can get if you play the motorcross demo and you have to win first but I got it enter at the cheat screen: holeshot

Submitted By: Spencer Burt

Perfect Manual

Enter keepitsteady on the cheat menu.

Submitted By: jarrod

Hidden Skaters for Create A Skater

Use these names for create a skater
1337
Akira2s
Alan Flores
Alex Garcia
Andy Marchel
Bailey
Big Tex
Chauwa Steel
Chris Rausch
ChrisP
CodePirate
DDT
Daddy Mac
Dan Nelson
Dave Stohl
FROGHAM
GEIGER
GMIAB
Glycerin
Greenie
Guilt Ladle
Hammer
Henry Ji
Jason Uyeda
Jeremy Andersen
Joel Jewett
Johnny Ow
M'YAK
MARCOS XK8R
Mike Ward
NSJEFF
Noly
POOPER
Skillzombie
Stacey D
Steal2Liv
THEDOC
TOPBLOKE
TSUEnami!
The Kraken
The Swink
Todd Wahoske
Y2KJ
Yawgurt
ZiG
arrr
buffoon
crom
deadendroad
fatass
grjost
leedsleedsleeds
moreuberthaned
sikÃ½
tao zheng
woodchuck

Tony Hawk's Underground Unlockables

Different ending

If you beat the game twice on one mode, then instead of having to beat Eric's line, something funnier will happen.

Submitted By: jchris1028

Mode Unlocks

Get every goal on any difficulty setting to get kid mode, roller skate mode, perfect skitch and more. There are 129 total goals

Submitted By: Bill O'Connor

UNLOCK PEDESTRIAN Players

Unlock by finding every gap in the game.
By selecting pedestrian, players can skate as any one of nearly two dozen non-player characters (NPC) ranging from Eric Sparrow to the Construction Worker to the Tank Commander from Moscow. Best of all, they all have maxed out stats!

Submitted By: BRAD

UNLOCK THUD

Unlock by beating story mode in sick difficulty setting. His signature tricks are Swimmer (GRAB TRICK) 1500 Points
Scary Grind (GRIND TRICK) 800 Points

Submitted By: BRAD

UNLOCK BAILS

Bails 1 Find 3 secret tapes
Bails 2 find 6 secret tapes
Always Hard find 9 secret tapes

Submitted By: BRAD

Iron Man And Hot As Hell Level

Beat The Game On Easy And Get Hot As Hell Level And A Cool Player (Iron Man) With Maxed Out Stats On Everything. The Game Is Easy So You Shouldn't Have Any Trouble Beating The Game Try Using The Perfect Rail Cheat (letitslide)

Submitted By: J-Man Rules At Underground

Secret Character

Beat the game on normal to unlock Gene Simmons from the band kiss.

Submitted By: Chill Will

See KISS Band Video

Beat the game on any setting go to last level earned hotter than hell and collect(light up) all 4 floating letters to spell kiss and get there video do it again and see them play on the stage

Submitted By: Paul gwrych

Unlock "Rock Star"

Unlock by completing Story mode on the Normal or Sick difficulty settings.
Signature Tricks:
Lick it up-------Grab Trick-------1,500 points
Fire Fire Fire---Grind Trick------- 800 points

Unlock "Old Skool Levels" (three levels from Tony Hawk 2)

Find Old Skool icons in New Jersey, Hawaii, and Moscow courses.
New Jersey- Air Up to the roof of the train station and stop and face the back end of the area. Grind onto the fence leading towards the hospital and transfer the grind to the ledge high on the wall to the right. Hold the grind over the railroad track tunnels to pick up the icon for the Old Skool level from Tony Hawk 2.
Hawaii- Skate over to the freeway overpass and locate the tiki shop. Ollie into the mouth of the smoking tiki doll on the sidewalk to be transported into a lava tube. Skate down the tube, then ollie at the edge to try to pluck the Old Skool icon out of the air. If you do this, you earn the Venice Beach from Tony Hawk 4.
Moscow- Start between the bleachers and Lenin's Tomb and wallrideuo up into a grind on the edge of the tomb in the direction of the red building. Ollie out of the grind and crash through the window into the building. Hop off the board and walk up the slope inside the building to find the Old Skool icon, this unlocks the Hangar level fro Tony Hawk pro skater 2.

Submitted By: Ryan Sandler

Tony Hawk's Underground Hints

Hard to find Tapes

In Tampa, go to the top of the dry cleanersÂ’ office. Shimmy to the next roof for the tape.

In Hawaii, the tape is on a wire above the pink palace. Shimmy along the blue pole to reach it.

In Slam City Jam, the tape is hidden in the huge scoreboard. Smash it wide open.

Video in San Diego

The video in San Diego is above the theatre. Try transferring from the ramp to the roof, then just look for a ramp wit the video at the top of it

Submitted By: FRANK

Old Skool 2

Go to new jeresy, then go over to the train station. Get on top of the station look behind the train station where the tracks are. Look up and to the left some, you should see a red glowy thing. Transfer onto the hospital then, get off you board hop up the ledge walk over and get it!

Submitted By: KyleBlicktyBlack

Slam City Jam Secret Tape

Try to get yourself onto the light rails above the course by hitting the quarter pipe that has a little volcom sign and a little sign that says "built to grind". Then get off your board and walk to the big score box. Break the glass to walk through and the tape is inside.

Submitted By: jack Swogard

Dune Buggy

Beat the game on easy mode and go to the level Titled " HOTTER THEN HELL" which features the band KISS. Ride Or Walk To the Dirt Section Of this level and find a dune buggy that awesome jumping height and fun to run around in.

Submitted By: Isiah

The Videos

Some of them are easier to get after you beat it so you can have the moon gravity.
In Jersey, go under the bridge after you unlock the other side. Manhattan, find the big glass building. There's a sign out front with a ladder. Climb it.
In Tampa, Find the circular brown building and the two tall buildings that are close together. Get up top and jump down in between em.
San Diego, go through to where you can turn left into a building. It's up the staircase on the right.
In Hawaii, get up on top of the hotel. It's where you McTwist over the helicopter. Go to the front corner and ride the cord down.
Vancouver. Look up. There are a few sets of flags up there. It's the one with the eagle statue in front of it.
Slam City Jam, jump from the wooden ramp up to the rail. Ride it till you break through the glass.
Moscow. There's a long building you can jump from level to level. Slide across that and jump over to the red building. You can walk through the paths on it.
Hotter than Hell, just ride the top rails and you'll see it. Yes. The Easter Bunny exists, just ask Tony.

Submitted By: jason Aaron

Hint For Beating Eric Sparrow ( For The Tape)

This isn't much but it helps with beating Eric within the time.
ok- you have to get all the green fist icons while following Eric around Jersey. The hint is that you DO NOT have to do everything he does, meaning you don't have to grind the things he does to get the icons, and to get the icons all you have to do is skate near them.
P.S the Fire That He Drops HURTS, so either go around it of jump over it. (normal jump wont do it so bonless over them )

Submitted By: ChakNNite

Street Warrior car

One of the last missions for New Jersey a street Warrior driver asks you to do a trial run with his car.If you get his car back to him before time runs out you can drive his car whenever you feel like it!

Hidden grinds

If you press a grind again right after you land on a rail then it goes into one of the following grinds:
- Up Triangle Triangle- Nosegrind to pivot
- Up-right Triangle Triangle- Crail slide
- Right Triangle Triangle- Salad grind
- Down-right Triangle Triangle- Darkslide
- Down Triangle Triangle- 5-0 overturn
- Down-left Triangle Triangle- Double blunt slide
- Left Triangle Triangle- Hurricane
- Up-Left Triangle Triangle- Hang ten nosegrind

Tony Hawk's Underground Glitches

Cool Trick

Entry Location:
Vancouver

Go to Vancouver and you must have the moon physics cheat on. Go to the big hotel and get off of your board. Walk to one of the sides of the building (doesn't matter which side). When you hit the wall of the building keep walking in place. Jump repeatedly and you will start to jump up the building. Go all the way to the top and go into so that you see a skylike image below you. If you go in the right spot you will end up beneath the floors of the building.

Submitted By: Lown J.

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