Unlock hidden Rickshaw (Bike) Taxi:You can drive the Rickshaw (or Bike Taxi) instead of a car taxi by entering the following code at the character-select screen: Hold L1, hold R1, release L1, release R1, hold R1, hold L1, release R1, release L1. Then choose a character.
No arrows hint:
To play without arrow markers, press and hold RIGHT TRIGGER + START before the driver select screen appears. If done correctly, the message "No Arrows" will appear. This will switch off the directional arrows.
No destination mark:
To switch off the green destination markers that appear around your targets, press and hold LEFT TRIGGER + START before the driver select screen comes up. If done correctly, the message "No Destination Mark" will appear.
Another Day mode:
Press RIGHT TRIGGER at the driver select screen, then press and hold RIGHT TRIGGER again while you choose your crazy cabbie of choice. The words "Another Day" will appear on screen, followed by a car horn. This will change the game slightly with new fare locations and altered starting positions.
Unlock cars and bikes:
At the character selection screen, press LEFT TRIGGER, RIGHT TRIGGER, LEFT TRIGGER, RIGHT TRIGGER, LEFT TRIGGER, RIGHT TRIGGER. Then, pick a character to drive a bike instead of a taxi. Alternatively, complete all sixteen Crazy Box levels to unlock the Special Taxi for each character, which is selectable in crazy box, arcade, or original modes. To choosethe bike in crazy box mode, scroll to the right of Gus at the character selection screen. To select the bike in arcade or original mode, press Up at the character selection screen.
Underwater passenger hint:
It is possible to pick up a snorkeling fare under the water:
1. First, drive straight and pick up the first orange person right in front of you.
2. After getting to her destination, to the left by the wall there is a yellow person, she will want to go somewhere by the beach.
3. After taking her to her destination, you will be right next to the beach and you will see the green marker for someone under the water, drive right in and pick her up!!!
Arcade A-license - Get A class license in Arcade mode.
Arcade B-license - Get B class license in Arcade mode.
Arcade C-license - Get C class license in Arcade mode.
Arcade S-license - Get S class license in Arcade mode.
Original A-license - Get A class license in Arcade mode
Original B-license - Get B class license in Arcade mode
Original C-license - Get C class license in Arcade mode
Original S-license - Get S class license in Arcade mode
Amazing Driver - Clear 3-1 through 3-S of Crazy Box.
Skillful Driver - Clear 1-1 through 1-S of Crazy Box.
Superb Driver - Clear 2-1 through 2-S of Crazy Box.
Crazy Driver - Clear Special 1 through Special Stage of Crazy Box.