Porsche Challenge Cheats (PlayStation)

left,circle,right,select,square
  Enter all codes at the main menu.  If the cheat works you will here a laugh and a bar
will appear saying enabled cheats.

up,left,right,select
  Enter all codes at the main menu fast, if the cheat works you will here a laugh and a
bar will appear saying enabled cheats

up,triangle,up,triangle
  Enter all codes at the main menu fast, if the cheat works you will here a laugh and a
bar will appear saying enabled cheats

To activate this codes you must be in the headmenu.

  YOUR CAR JUMPS-  Square, O, Square
  ALL CARS JUMPS-  up+Square, up+O, up+Square, up+O, up+Square, up+O, up+Square
  INTERACTIVE TRACKS- left+O, up+Triangle, right+Square
  LONG TRACKS- up+Select, up+Select, Start, Select
  INVISIBLE CARS- Square+O, L2+R2, Square+O, L1+R1, Square+O
  UNLIMITED CREDITS- L1+L2, R1+R2+Square
  TESTDRIVER- right+Square, left+Select+O
  SUPERCAR- Select+Square, Select+O, Select+Square+O
  MIRRORED TRACKS- left+O, down+Triangle, right+Square