Playstation World

These should be entered as the driver name in the Create Driver screen:

BANZAI          No car collision
EPILEPTI        Grid track(s)
FAT TIRE        Fat wheels
FEATHER         3/4 Gravity
GEK             Two lap races
IMMORTAL        Invincible
NIGHTRID        Night tracks
PUSHBUTT        Dual-analog controls
RADBRAD         Better gravity
ROOSTER         Extra paint styles
SPACERID        Space tracks
STONE           Double gravity
SUNNYSKY        Sunset tracks
WHEELS          Just wheels
WINNER          Win race

Hints

Funny Stuff:
Go to any track and start driving the wrong way, when you crash into people it will knock pieces of their car off. Keep doing
this until several cars have no wheels. Soon you will see cars driving around the track with no wheels, it's great!