Speed Kings (Xbox)

CheatingDome.com

Additional mirrored GP modes

Enter ".prix3" to unlock three more mirrored modes in the Grand Prix.

All tracks

Get gold medal on every thing in license.

Back and frontflip

Get a powerdown and boost it about 350 feet before a ramp. When you are in mid-air, hold Up or Down to perform a backflip or a frontflip. Note: You need a lot of speed and a very fast bike.

Best laps

Start a new game and enter ".lapt18" as a name.

Boost start

To do a boost-start you just hold X and A from where it shows the racers to when it says "1" in the count-down.Then let go of X (but continue holding A)and your bike will boost forwards.

Dodge cars while turning

While turning, press R. Wait until you are in front of a car and point the Left Analog-stick the opposite way that you are turning. You will keep turning, but at a slower rate. Note: Do not release R until you dodge the car(s).

Finish all nine driving tests with gold

Start a new game and enter ".test9" as a name.

Get new bikes and levels

To get new levels and bikes you have to beat meets. I haven't gotten all the bikes or levels yet but I'm working on it.

GP Mode completed

Start a new game and enter ".prix" as a name.

Grand prix mode

Go to time attack and beat the best record. This will unlock GPM FOR single & mult.

Master code

Enter "borkbork" as a name. This code also unlocks the
Secret Nevada meet, the Casino Run course, and six more
leathers, all GP modes, all bikes, all lids, and lap times.

New meets, street racer bikes, and more courses

Start a new game and enter ".meet4" as a name. You will unlock the New England, Detroit, London, and the Swiss Alps meets; five street racer bikes; and sixteen additional single race, time attack, trick attack, and head to head mode courses.

Respect points

Start a new game and enter ".resp" followed by a space and a number as a name to begin with the indicated amount of respect.

Various Tricks

Wheelie: Hold the Left Analog-stick Back.
Standing Wheelie: Press Trick + Left Analog-stick Back.
Surfing Wheelie: Press Trick + Kick/Punch + Left Analog-stick Back.
Cross Surfing Wheelie: Press Trick + Left Analog-stick Back + Front Brake + Kick/Punch.
Endo: Press Left Analog-stick Forward + Front Brake.
Surfing Powerdown: Press Trick + Left Analog-stick Forward + Power Down.
Handstand Powerdown: Press Trick + Skid + Left Analog-stick Forward + Power Down.
Surfing: Press Trick + Left Analog-stick Forward, then Left Analog-stick Back.
Handstand: Press Trick + Left Analog-stick Forward, then Kick/Punch
Pavement Ride: Trick + Left Analog-stick Forward, then Skid.
Donut: Hold Brake + Gas and turn in one direction with the Left Analog-stick.

Win all six meets

Start a new game and enter ".meet6" as a name.