TNN Hardcore 4X4

Cheat Codes
The following codes are to be entered when the game is paused.
R, A, L, L, D, U, L, L: Adds a fixed camera view
C, R, A, Z, Y, C, A, R: Three more boosts when there are none left
A, B, R, A, C, A, D, A, B, R, A: Turns Cars into Tanks on Desert Level
L, L, L, A, A, A, L, L, L, A, A, A: Makes the current lap the last when you are in the first position.
B, L, A, C, C, A, R: Makes you the mother truck
D, A, Z, C, R, A, Z, Y, D, A, Z: Enables alternative end-position commentary
C, A, R, D, U, L, L, D, U, L, L, D, U, L, L: Enables edit physics cheat

Access to All Class Types
Select the time trial option and then the Key Icon. Choose one Driver and three laps. Move to Edit Names and enter your name as "NOVICE " (two spaces after the word) Press the B button two times to go back to the main menu. Highlight the Class Option and access it. You will now have access to the Pro and Extreme Classes.

Fiddle with the Mechanicx
Access the Race Type and choose Time Trial. Access the Key Icon, and highlight "1 Driver" and press A. Choose 4 drivers. Then change the number of laps to one. Access the Edit Names icon. Enter the following names: Fiddle, With, Vehicle, Mekanixs. Press Button B. Move to Begin Race, and Start. While playing, press Left shift+Z to bring up a "Fiddle" Menu. Use X and Z to cycle through the options. You can now adjust the gravity, stiffness, spring length, wheel extend, shock absorbers, steering speed, moment of inertia, engine power, and friction factor. Use L and R buttons to adjust the amounts of each.