Test Drive 4 cheats and cheat codes for PC

Cheat mode:
Go to the Save Game screen, choose the Slot 10, then type in the 
cheat code and press [ENTER]. You can enter multiple codes together.

Note: In multiplayer game, all players have to enter the same 
cheat codes. If people in the multiplayer game activate different 
codes, the game may crash.

Code - Result
Enter "STICKIER" as a code - Disable 3D collisions 
Enter "SRACLLA" as a code - All Cars unlocked
Enter "SPAZZY" as a code - Test Drive on Acid
Enter "NOAICARS" as a code - Disable AI racers in the LAN game
Enter "NITROXXX" as a code - Nitro boost with horn button
Enter "MPALMER" as a code - Small Cars
Enter "MIKTROUT" as a code - Giant Cars
Enter "LEVELLLA" as a code - All Tracks unlocked
Enter "ITSLATE" as a code - Disable special effects (3Dfx version only)
Enter "GONZON" as a code - Fast Forward Mode
Enter "GONZOFF" as a code - FF Mode Off
Enter "CREDITZ" as a code - View Credits with cool pics
Enter "COLOUR" as a code - Change colors back to normal from monochrome mode
Enter "BOBCRED" as a code - Bonus credits
Enter "BIRDVIEW" as a code - View From Above
Enter "BANDW" as a code - Change to Monochrome Mode
Enter "AARDVARK" as a code - All collisions turned off

Unknown codes:
ASTIDERC
TSTIDERC
DSTIDERC
MASTER