Test Drive Off-Road 3 cheats and cheat codes for PC

Hex Cheat: Get $800.000 
Hex edit 000000BD to 000000BF.
Change to 00 35 0C. 

Cheat mode:
Type any of the following cheat code as a name:

Effect - Name 
Unlock all upgrades - Enter "MAD HOOKUP" as a name 
Unlock all trucks - Enter "BEANY" as a name 
Unlock all tracks - Enter "LEAD TO ROME" as a name
Unlock all divisions - Enter "SAD CLOWN" as a name 
Steer in mid-air for big spins - Enter "TURN TRICKS" as a name 
Master code - Enter "ZAKARY X" as a name 
Heavyer car - Enter "YOKOZUNA" as a name 
Enable moon gravity - Enter "MARS MODE" as a name 
Defaults all cars with "lowering" kit - Enter "PLUMBER" as a name 
Credits are not used up - Enter "KIYON" as a name 
Bigger jumps - Enter "CHUNG KING" as a name 
Choose finish position (Use Shift + <1-6&qt; while playing) - Enter "ILIKETOCHEAT"

Maximum speed:
Note: Always make a backup copy before edit a game file. 
Go to the installed game directory, then enter the "/vehicles" folder. 
Use a utility such as WinZip, Winrar, PKUnzip to extract the "physics.txt" 
file from any of the .zip files. 

Open and edit the "physics.txt" file with a text editor (like: Notepad).
Change the "//idealMaxSpeed" entry to "200". 
Save the txt file and add it back to the original .zip file then start 
the game. The top speed bar should be at the maximum for the vehicle.