do you know any cheats to unlock race tracks etc in crash tag team racing on the psp?

Answer 1

http://chaptercheats.com/

Answer 2

Unlockable: Evil Crash Costume
When you find Cortex on Mystery Island there's an owl shaped lamp behind him. Hit the body-slam switch and it will rise up. Enter the cave, and go right. Have a chat with the drone at the top of the island and shell out 2000 coins to get the costume.


Secret Codes
At the 'Main' menu enter the following codes:

High Speed:
Hold L1 + R1 then press O, O, Triangle, Triangle

Toy Block Cars in Single and Multiplayer:
Hold L1 + R1 then press O, O, Triangle, Square

Chicken Headed People:
Hold L1 + R1 then press X, O, O, Square

Disable All Head Up Displays:
Hold L1 + R1 then press X, Square, Triangle, O

Japanese Crash Skin:
Hold L1 + R1 and press Square, O, Square, O

Run into a Car for an Automatic KO:
Hold L1 + R1 then press X, O, O, X

Disable HUD:
Hold L1 + R1 and press X, Square, Triangle, Circle at the main menu.

One hit knock outs:
Hold L1 + R1 and press X, Circle, Circle, X at the main menu.



PS2 Link-Up Bonuses
Link up your PSP to a PS2 version of Crash Tag Team Racing using a USB cable to be able to unlock the following

Unlock PS2 version car Crash:
Connect PSP to PS2 Crash Tag Team

Unlock PS2 version car Crunch:
Connect PSP to PS2 Crash Tag Team

Unlock PS2 version car Neo Cortex:
Connect PSP to PS2 Crash Tag Team

Unlock PS2 version car Nina:
Connect PSP to PS2 Crash Tag Team

Unlock PS2 version car Pasadena:
Connect PSP to PS2 Crash Tag Team

Unlock Extinction Party Battle Arena:
Connect PSP to PS2 Crash Tag Team

Unlock Jungle Rumble Battle Arena:
Connect PSP to PS2 Crash Tag Team