I don't think I would've beaten Contra 400 times without that code.
I have three shooters for PS2 to choose from, help me:
Gradius V
R-type Final
Contra: Shattered Soldier
I'm leaning toward Gradius because I have the fondest memories of it. R-type was great, but was like Thunderforce V in that it was so fucking difficult it stopped being fun. Off to Target I go...