Screamer 1

Screamer 1 cheat codes: 
You must enter codes at the menu screens.
ABURN: Other cars become bullet cars.
(Note: This cheat can't be undone without a reinstallation
or backing up the choice.dat file.).
CLOCK: Turn off the clock.
INVER: Reversed tracks available.
JOINT: More obstacle graphics.
MIRRO: mirror mode.
MONTY: Obstacle graphics are changed.
TAZOR: Makes the bullet car available.
UPDOW: turns graphics upside down.
VTELO: All normal tracks available.