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XBox - Big Mutha Truckers cheats

Unlock all cheats and Evil Truck:
Go to the options screen, hit Y and enter:
CHEATINGMUTHATRUCKER or ATJCEHJMJ as a cheat code.

You can enter the following codes in the options screen also:
Faster truck: Enter GINGERBEER 
Extra stages: Enter JINGLEBELLS 
$10 million: Enter LOTSAMONEY 
Stage select: Enter LAZYPLAYER 
No time limit: Enter PUBLICTRANSPORT 
No damage: Enter 6WL 
Auto Sat Nav: Enter USETHEFORCE 
Diplomatic immunity: Enter VICTORS 
Small pedestrians: Enter DAISHI 
Evil truck: Enter VARLEY

Unlock Evil Truck 
Finish the 60 day Trial By Trucking and win 1st place in the race 

Get speed: 
Do not buy anything in the upgrade store except for storage space and 
the turbocharger. Do not buy brakes at any cost.