Konami Krazy Racers
Win every Krazy GP up through the "A" cup to unlock the "S" Cup.
On the Cyber field 2 track collect the blue diamond between the two holes near the finish line to unlock the Bear.
For the King go to the Sky Bridge 2 track collect the Blue Bell power-up, then find the jump just before the large gap. Note the blue diamond on a platform just to the right of the jump. Jump towards the platform, using the power-up for an extra boost. Collect the blue diamond.
If you want Vic Viper head for the Moon Road track collect the Blue Bell power-up, then find the first long jump on the track. Jump and use the power-up for an extra boost to land on a long platform that has the blue diamond. Collect the blue diamond to perform the cheat.
For Ebisumaru unlock bear; play the Ganbare Dochu 1 and 2 tracks with bear and beat the record time.
Kuru Kuru Kururin
Press select in the starting area to shorten your stick and make things easier.