DRIVE XPJ198
Complete any track entirely in second gear with checkpoints on.

NITRO BOOST
Drag race as usual, and enter WHOOOOSH. What this allows is that the horn turns into a nitro boost instead.

REMOTE CONTROLLED CARS
Also enter MJCIM.RC for the cars to turn into remote controlled cars. Of course enter this after you win the drag race....

EASY COURSE RECORD
Have checkpoints on, go to the 1/4 mile, select the Jaguar, and get a time under 11.46.

EXTRA CARS AND TRACK
When you set a record for a race, enter your name as KNACKED or SAUSAGE and you will get 4 new cars and a new track!! the cars are the gts-r, a new tvr, a pitbull mini, and a Dodge Daytona