Tony Hawk's Underground 2 Cheats

Cheat mode:
Unlock all levels in classic mode, then clear all the gaps in all fifteen levels. All the cheat options will now appear in the cheats menu on the game options screen, and can be toggled on or off as desired.
User Cheat by BamBam

Perfect grind:
Submit the code straightedge
User Cheat by WickedSkaterBoi

All Movies:
Submit the code boxoffice
User Cheat by martinbooth

Level select:
Submit the code d3struct
User Cheat by martinbooth

Phil Margera:
Submit the code aprilsman

You can also finish story mode under the easy difficulty setting.

Other bonus skaters:
Submit the code costars! to unlock Ben Franklin, Bull Fighter, Graffiti Tagger, Shrimp Vendor, Jester and Ryan Sheckler.

Natas Kaupas:
Submit the code oldskool Or finish classic mode under sick difficulty.

Paulie:
Submit the code 4-wheeler Or finish story mode under normal difficulty.

Nigel Beaverhausen:
Submit the code sellout Or finish story mode under sick difficulty.

Cheat mode:
Unlock all levels in classic mode, then clear all the gaps in all fifteen levels. All the cheat options will now appear in the cheats menu on the game options screen, and can be toggled on or off as desired.

Always special:
Submit the code likepaulie

Other bonus skaters:
Submit the code costars! to unlock Ben Franklin, Bull Fighter, Graffiti Tagger, Shrimp Vendor, Jester and Ryan Sheckler.

Graffiti Tagger:
Finish the Berlin level in story mode.

Call Of Duty soldier:
Finish story mode under the sick difficulty setting.
User Cheat by BamBam

Ben Franklin:
Finish the Boston level in story mode.

Jesse Jones:
Finish classic mode under the sick difficulty setting.

Jester:
Finish the New Orleans level in story mode.

Matador:
Finish the Barcelona level in story mode.

Natas Kaupas:
Finish classic mode under the sick difficulty setting.

Nigel:
Finish story mode under the sick difficulty setting.

Paulie:
Finish story mode under the normal difficulty setting.

Peds Group A:
Finish story mode under the easy difficulty setting.

Peds Group B:
Finish story mode under the normal difficulty setting.

Peds Group C:
Finish story mode under the sick difficulty setting.

Peds Group D:
Finish classic mode under the normal difficulty setting.

Peds Group E:
Finish classic mode under the sick difficulty setting.

Peds Group F:
By getting a100% completion in story mode.

Peds Group G:
By getting a100% completion in classic mode.

Peds Group H:
Clear all the gaps on all fifteen levels.

Phil Margera:
Finish story mode under the easy difficulty setting.

Ryan Sheckler:
Finish the Skatopia level in story mode.

Shrek:
Finish story mode under the easy difficulty setting.

Star Wars Kid:
Finish story mode under the easy difficulty setting.

Shrimp Vendor:
Finish the Australia level in story mode.

Steve-O:
Finish classic mode under the normal difficulty setting.

The Hand:
Finish story mode under the normal difficulty setting.

Tony Hawk's Pro Skater 1 Tony Hawk:
Finish classic mode under the normal difficulty setting.

Pro Skater Level:
Finish story mode.

Triangle Level:
Finish classic mode.

Neversoft Skates Movie:
By getting a100% completion in classic mode.
User Cheat by BamBam

Pro Bails 1 Movie:
Finish classic mode.

Pro Bails 2 Movie:
By getting a100% completion in story mode.

World Destruction Tour Movie:
Finish story mode.

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.

Sorry! (ZiG)
munky
Sheckla (Ryan Sheckler)
JIMBO
Boon (Boond)
O.D. (Officer Dick)
dude TRevor
derfunkel (Danny Way)

Soccer:
Go to the Boston level and decapitate any statue or lamp post then run into it to kick it.
User Cheat by Harry_James_Potter77

Tony Hawk's Underground 2 Review - AceGamez

Tony Hawk's Underground 2 Official Game Site

Tony Hawk's Underground 2 Review - GameZone

THUG 2 Review - ExtremeGamer