I know of a few cheat codes, but I haven't exactly tried them yet. I found them on the internet somewhere. Here they are:
circle,square,R2,L2,circle,L1
O,r2,r2,x,r1,squre,-->,triangle
r1,l2,r2,left up,up down
If none of them work, so sorry, you won't be the only one dissapointed.
You'll just have to work with the game the way it was originally designed.
Hope I helped a little bit!