Crazy Taxi 3: High Roller Codes -

Unlock Cheat mode:)
Press and hold + + + + click-Press and hold + click-Press and hold on controllers one and four simultaneously at the character selection prompt. A voice will confirm correct code entry. All drivers, courses, and taxis will be unlocked.

Unlock Expert mode:)
Highlight a driver, then press and hold + push at the character selection prompt. You will see the message EXPERT MODE if you have entered the code correctly.

Unlock Disable arrow indicators:)
Highlight a driver, then press and hold push at the character selection prompt. You will see the message NO ARROWS if you have entered the code correctly.

Unlock Disable destination indicator:)
Highlight a driver, then Press and hold push at the character selection prompt. You will see the message NO DESTINATION MARKERS if you have entered the code correctly.