Play as the Horse:
On the Options Screen, set the difficulty to normal. On the Mode Select Screen, choose Saturn Mode. Place first in each of the 3 difficulties on each track. After winning the third track, scroll until you see "Horse."
On the Options Screen, set the number of laps to normal. Exit the Options Screen, and choose Arcade Mode. As you select a course, repeatedly press up and choose a course with the C button.
On the Options Screen, choose Key Assign. Choose type B for the controller setting. While choosing any track and car, press and hold A, X, Y or Z depending on which song you want to play. Hold the button until the game starts and listen to the song you selected.
While at the starting grid of the Advanced or Expert courses, hold B (brake). Now press and hold C (accelerate). While accelerating, keeping you RPMs between 6500 and 7000. When the race starts, let go of the brake, but keep holding the accelerator. Get ready to fly by your opponents.
Make Jeffry Pose:
On the Expert Course, drive up to the statue of Jeffry, and stop in front of him. Press the X button rapidly so he turns, and stands on his head.
Hear Old Soundtracks:
Finish any race on any track. When you place your initials in, put in the initials for any old games. Examples: S.H(Space Harrier) A.B(After Burner) O.R(Out Run). Here are some more to try out:
SEX LAU BNB DST E.R EXN GDA G.F GLC GPR DYN H.O
KOS LGA J.M ORS P.D P.P QTT R.M S.C SDI S.F W.H
SHO SKH SMG T.B TET TOR V.F VFT VMO V.R .KK DEK
YAN M.M KOU HSB TAK KAZ ASA YOJ YUI NAK MIT OKA
TRS H.S OSI JIM IGA ANI V.C K.J MAS KEN AKI ISO
AO. KAG YAM KAO SAO NAG VME A.Y J.B S.B PAI K.M
Make the Tires Disappear in the Demo:
Begin a game and enter the pit. Before the new tires are on and while the old tires are off, press A + B + C + Start to reset the game. Now let the Demo run.
On the Title Screen, press and hold Down/Right + Left Shift + Right Shift + C + Y, and press Start.
Driving on Grass:
This is more of a tip than a code. When driving the Green Car or the Horse, you can travel as fast on the grass as you can on the street.
Play as the Horse the Easy Way:
On the Title Screen, press and hold Up/Left + A + B + X + Z, and press Start. You can now choose the horse.
In Saturn Mode, choose a track. Hold down Start as you choose a car to race in Time/Lap mode. After finishing the race, choose Yes to watch the replay. Press Right at anytime to see the race from a Helicopter View.
On the Title Screen, press and hold X + Y + Z on Controller Two and hit Start on Controller One to change your speedometer to kilometers.
Draw the other car closer to you:
At any point during the race, hold down the Z button to bring the lead car towards you. Now you can pass him easily.
Thanks to Revolution readers Ken Kilgore and Wee Jobbie!