Cheat mode
Successfully complete championship mode without using any tokens to unlock all tracks, cars, skins, and other cheat options.
Game music
Play track two and higher of the game disc in an audio CD player to hear sound samples and music from the game.
Mr Garrison
To unlock Mr Garrison cross all four checkpoints with the trophy on the Rally Days 2 race.
Pip
To unlock Pip only cross checkpoints 1 and 4 with the trophy on Rally Days 2.
Bebe
To unlock Bebe lose the Cowdays race without touching the antidote.
Shelley
To unlock Shelley win the Valentine's Day race.
Mr Mackey
To unlock Mr Mackey win the Spring Cleaning race.
Tweak
To unlock Tweak collect five caffiene pick-ups in the blue boxes on the Spring Cleaning race. (The caffiene pick-ups make blue tyre marks under your wheels.)
Cartman Cop
To unlock Cartman Cop, hit the Chicken Lover's bus 5 times with Chocolate Salty Balls in the red boxes on the Read-A-Book-Day race.
Mrs Broflovski
To unlock Mrs Broflovski collect the Golden Cow on top of Hell's Pass Hospital in the Easter race.
To do this, first get a Phillip Phart out of the green boxes. When you get one, drive up on the left side of the building on the mountain, and when you're at the edge activate the Phillip Phart to land on the roof of Hell's Pass Hospital and collect the Golden Cow.
Scuzzlebutt
To unlock Scuzzlebutt collect the pot pie next to the waterfall in the Easter race.
To do this, first collect a Phillip Phart, then drive at an angle at the ledge with the pot pie on, then activate the Phillip Phart to land on the ledge and collect the pot pie.
Big Gay Al
To unlock Big Gay Al win the Pink Lemonade race.
Ms Cartman
To unlock Ms Cartman win the Pink Lemonade race without letting any of the other racers get to a checkpoint. (This is very difficult.)
Ike
To unlock Ike collect the pot pie on the wing of the crashed aeroplane in the Memorial Day race.
To do this, first get a Phillip Phart from the green boxes and drive up the right hand side and collect the Terrance Turbo while the earthquake is going (breaks between earthquakes are about 20 seconds) to land on the aeroplane wing and collect the pot pie. This may take a few tries.
Visitor
To unlock Visitor collect the two Golden Cows in the Memorial Day race. One is on the ledge around checkpoint 1 and the other is on the side of the bridge near checkpoint 4.
Mephesto
To unlock Mephesto win the 4th of July Independance Day race.
Ned
To unlock Ned collect over twelve turbo pick-ups in the 4th of July Independance Day race.
Grandpa
To unlock Grandpa win the Halloween race.
Death
To unlock Death win the Halloween race but only drop off the candies in groups of four.
Starvin Marvin
To unlock Starvin Marvin lose the Thanksgiving race by not collecting any turkeys.
Jesus
To unlock Jesus win the Christmas race.
Terrance and Phillip
To unlock Terrance and Phillip collect the four pot pies in the Christmas race. There is one behind the building on the right when you start off near checkpoint 1, the second is above the water bridge near checkpoint 2, the third is behind the building coming up to checkpoint 3, and the fourth is behind the building near checkpoint 4.
Satan
To unlock Satan win the New Year's Eve race.
Damien
To unlock Damien win the New Year's Eve race and be the only player to touch the key.