Dang! Devil May Cry 3 is hard! If you don't have the time or skill to unlock everything in this nerve-racking game, here's a cheat for you!
Unlock Everything
At the start screen, hold down L1,L2,R1, and R2. Keep them all depressed and rotate the left anolog stick repeatedly. When you hear someone say "Devil May Cry", you've entered the code correctly.