Type themin at any menu

VTELO.......All normal tracks available
INVER.......All normal plus inverted tracks
MONTY.......New obstacles Set 1 (see below)
JOINT.......New obstacles Set 2
CLOCK.......Stop clock
TAZOR.......Bullet car available
ABURN.......Race against other bullet cars **
UPDOW.......Turns graphics upside down
MIRRO.......Mirror mode