18 wheeler pro trucker

Play as Nihonmaru.

Beat arcade mode with all four characters to unlock nihonmaru.

Haul an ice cream truck.

Hold L-R-X-A-B-Y start at the same time to haul ice cream truck on the pick a trailer screen.

Unlock the 6th parking level.

Beat each of the four parking levels to unlock an additional parking level. beat the bonus parking level to unlock the a sixht parking level.