Retro Game Cheats for 18 wheeler american pro trucker (Gamecube)
Effect: Bonus Parking Levels
When:
During the game
How:
Complete each of the four parking levels to unlock an additional parking level. Then, complete the bonus parking level to unlock a sixth parking level.
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Effect: More Time
When:
At options menu
How:
select "Difficulty" and set it to "Very Easy". Next, save the game in the options menu and return to the main menu. Select arcade mode and you will have more time in each level
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Effect: open two extra parking staeges
Effect: unlock new trucker Nippon Maru
Effect: give two new trailers
When:
in game
How:
when u have unlocked nippon maru select him in attack Vs or arcade mode to get the nu trailers
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