Bebe: Lose the Cowdays race without getting the antidote at all or getting any pickups.
Big Gay Al: Win the Pink Lemonade race.
Cartman Cop: Hit the Booktastic Bus five times with Salty Balls in the Read-A-Book Day race.
Damien: Win the New Year's Eve race without letting anyone else touch the key.
Death: Win the Halloween race dropping off no less than four candies at a time.
Grandpa: Win the Halloween race.
Ike: Collect the pickup on top of the airplane in the Memorial Day race.
Jesus: Win the Christmas race.
Mephesto: Win the Independence Day race.
Mr. Garrison: Activate all four checkpoints in the Rally Days 2 race
Mr. Mackey: Win the Spring Cleaning race.
Mrs. Broflovski: Find a Philip Phart in the Easter race, then on the tallest building there is a Golden Cow on the left side. ride up the mountain side and Phart on the building and hit the Golden Cow.
Ms. Cartman: Win the Pink Lemonade race without letting any other racers touch the checkpoints.
Ned: Collect over twelve turbo pickups (Terrance, Philip and caffine) in the Independence Day race.
Pip: Activate only checkpoints one and four in the Rally Days 2 race.
Satan: Win the New Year's Eve race.
Scuzzlebutt: Find a Philip Phart and find the waterfall. on a ledge to the right of the waterfall there is a pot pie. Ride up the mountain side and Phart your way to the pie.
Shelly: Win the Valentines Day race
Starvin Marvin: Lose the Thanksgiving race without any turkeys.
Terrance & Philip: Find the four hidden pot pies in the Christmas race.
Tweek: Collect five or more caffine pickups in the Spring Cleaning race.
Visitor: Hit the Golden Cow above checkpoint one and the Golden Cow between checkpoint four and the wood bridge in the Memorial Day race.
Rally days 1: when You've passed the second train crossing and you turn into the city area, at the corner surrounded by cows go wide behind the houses and it's there.
Cheat sheet: finish Rally days one in first place with no pickups.
Extra skins for Stan, Kyle, Kenny & Cartman: On Valentines day get the 3 Pot pies they are hidden. For the first pie go up the ramp to the very top do a left U-turn and go down a secret passage it's at the end.
Come back to the wall by reversing until You stop and go left go to full speed and fly onto the castle go round until you find it go off it and get to the same position as before but go right.
Cartman(cop): Hit the chicken lover'van with Chocolate salty balls 5 times.