These should be entered as the driver name in the Create a Driver Screen:
FEATHER - 3/4 gravity FLOAT - 1/2 gravity STONE - Twice gravity RADBRAD - Better gravity BANZAI - No car collisions WHEELS - Just wheels FAT TIRE - Fat wheels WINNER - As though you just won IMMORTAL - Invincible GEK - Two lap races PUSHBUTT - Dual-analog controls MAXCARS# (substitute for "#") - set grid size SUNNYSKY - Sunset tracks NIGHTRID - Night tracks EPILEPTI - Grid tracks (s) SPACERID - Space tracks (s) ROOSTER - Hidden paint styles