Crazy Taxi: Another Day mode
Press R, then hold R while selecting a character. Another Day mode allows you to have new fare locations.

Crazy Taxi: Drive the taxi bike
Quickly press L + R, L + R, L + R at the character selection screen.

Crazy Taxi: Expert mode
Press and hold L + R + Start while the character selection screen is loading

Crazy Taxi: No arrows
Hold R + Start while the character selection screen loads.

Crazy Taxi: No destination marks
Hold L + Start while the character selection screen loads.

Crazy Taxi 2: Expert mode
Hold Triangle + Start while selecting a character

Crazy Taxi 2: No arrows
Hold Start while selecting a character.

Crazy Taxi 2: No destination marks
Hold Triangle while selecting your character.

Crazy Blur
Earn a Class C or better license on any map in any time mode in the original Crazy Taxi or Crazy Taxi 2.

Crazy Interview
Complete the Crazy Box mini-game in Crazy Taxi or the Crazy Pyramid mini-game in Crazy Taxi 2 to unlock an interview with the producer of both games.

Crazy Pick-Up
Earn a Class S or better license on any map in any time mode in Crazy Taxi or Crazy Taxi 2. This allows you to pick up customers from knocked-over vehicles. Simply tip a vehicle over and the driver will come out, ready to be picked up.

Custom soundtrack
Place .MP3 files into a folder named "MUSIC" in the root directory of your memory stick. The "Custom Soundtrack" option should now become available.