Crazy Taxi Cheats - Xbox 360

Unlock Bike Taxi
[L]+[R], [L]+[R], [L]+[R] at the driver select screen.

Unlock Another Day Mode
Press the [R] button at the character selection screen and then press [R] a second time and hold it down while you select your cabby.

Achievements
Complete each achievement to receive the allotted gamerscore:

Amazing Driver (30) - You have cleared 3-1 through 3-S of Crazy Box.
Arcade A-license (15) - You have got A class license in Arcade mode.
Arcade B-license (10) - You have got B class license in Arcade mode.
Arcade C-license (5) - You have got C class license in Arcade mode.
Arcade S-license (20) - You have got S class license in Arcade mode.
Crazy Driver (40) - You have cleared Special 1 through Special Stage of Crazy Box.
Original A-license (15) - You have got A class license in Original mode.
Original B-license (10) - You have got B class license in Original mode.
Original C-license (5) - You have got C class license in Original mode.
Original S-license (20) - You have got S class license in Original mode.
Skilful driver (10) - You have cleared 1-1 through 1-S of Crazy Box.
Superb Driver (20) - You have cleared 2-1 through 2-S of Crazy Box.