checked-yes =>Mini Kart: At the beginning of the Mario Kart GP mode, on the Character Select screen, hold Y then press A. Your racer will shrink. =>150cc Class: Win the gold in the Mushroom, Flower, and Star Cup races in the 100cc class, then win the gold in the Special Cup race. If you do so, a new 150cc Class option will appear on the Class Select screen. =>Race The Ghost Computer: When you start the game, enter the 1-Player Time Trial race, but when you are at the player select screen, press CNTRL II: [START]. A flashing COM will appear in one of the boxes above the drivers. Use CNTRL II to choose the computer's player, then choose your player and begin. =>Special Demo Mode: Use the above code to play as DK Jr. and race any COM racer in the Time Trial of Donut Plains 1. Play the level, and choose QUIT when it is over. Now, wait on the title screen to see the Donut Plains demo level and see your selected COM player racing DK Jr. =>Race Yourself: The SNES can save your Time Trial race and allow you to replay it! Complete a Time Trial race without hitting any obstructions or driving off any cliffs, then select RETRY to race against a ghost of your previous game. If you select CHANGE PLAYER, choose a new racer, then try the same track, your new racer will play against your old ghost. If you pause the game during a Time Trial race, your current ghost will vanish and your current race will not be saved. =>Save Time Trial Race on Cartridge: Finish a course and get a ghost, as mentioned above. On the track select screen, hold [L]+[R]+Y and press X. The track name will turn orange and you should hear a coin sound. To race against the ghost, even after turning the system off and back on, highlight the track, hold [L]+[R] and press [START] on the "Is this Okay" screen. =>Switch Screens: On the title screen, press CNTRL II: B to open up the main menu. Use CNTRL II to select a 1-Player game, hold CNTRL II: [L]+[R] and press CNTRL II: [START]. Use CNTRL II to select your driver, etc., and play the game on the bottom screen using CNTRL II. =>Rotate Screens: Enter the Time Trials, choose a character and begin a race. During the race, do not touch anything or fall off of a cliff. After the race, choose Retry. You can now rotate the screen with [R] and [L]. =>Extra Credits: You can earn extra credits by finishing 3 races in the same position. =>Drive in Darkness: Play the Battle Mode. When a player is down to his last balloon, have him hold down B until he dies. Once dead, he will be able to drive around in the dark. If he gets a Star and uses it, the background music will return. =>Special Tracks: To access the Special Cup tracks in the Time Trial mode, enter the time trials, select a racer, press L to highlight Mushroom Cup, then press [L] [R] [L] [R] [L]x2 [R]x2 A. A Special Cup option should now appear under the Star Cup. =>Extra Speed Boost: When the race begins, press and hold B just as the first light on Lakitu's set flashes, or perhaps after the first beep. If you continue to hold it, you will get an extra boost of speed. =>Erase Saved Data: Go to the title screen and press [L]+[R]+Y+A. If you only want to erase the best times in the Time Trials, use this code on the Time Trials info screens (that is, every track's Best Times screen). =>Shell Drop: Want to drop a green shell rather than shoot it? Hold D and press A.