All levels
If you want to have all levels at the begining of the game before you press start press square,right,right,triangle,down,square

Day smith
Press triangle,up,down,up,down,square.
before you press start

Vanessa
Press,triangle,down,left,left,down square
before you press start

Bigfoot
Press triangle,right,up,right,up,square
before you press start

MIME
Press triangle,left,right,left,right
before you press start

VOLCANO
Press,triangle,up,up,x,up,up,x
before you press start

Perfect balance
Press,down,up,circle,down,up,circle,down,up,circle
before you press start

INVISIBLE BIKES
Press,down,up,left,down,right,down,left,up
before you press start