Type these codes in the options menu...
| TARZOR | You get an bullit car |
| VTELO | You get all of the 6 circuits |
| MONTY | Some objects of the circuits changes in girls |
| JOINT | Some objects changes in ghosts |
| INVER | 6 more circuits (mirrored) |
| ABURN | Computer cars change in a bullit car |
| UPDOWN | Screen flips |
| MIRRO | Mirror effect |