On the rooftop level, if you have a small car you can slip right under the big pyramid if you go backwards and turbo at the same time! circle, square, triangle, triangle, nothing - 4 secret weapon Choose 1 player and when you play press (don't pause!!!) right and start, then you get the rear veiw mirror. this is really great!!!!!!!!!! Choose 1 player game, during gameplay (don't pause!), push start+x simultaneously. you will see a list of the remaining vehicles (besides yourself!) on the same level.
Passwords:
o-circle t-triangle s-square x-x --
nothing warehouse-o,t,s,o,o
freeway-x,s,s,o,t
park-x,t,x,o,x
cyburbia-x,s,t,t,t
rooftop-s,t,x,o,x
arena2-s,t,o,s,s
helicopter view-o,o,t,x
God -s,t,x,-,o
infinite weapons-t,-,s,c,c
fight minon-t,x,o,s,t