Sony Playstation Games Solutions - One of
the Largest Games Source for PSone Cheats, PSX Codes, Hints, Tips,
Walkthroughs, FAQs and Games Strategy Guides.
Jump Level: Press L1, L2, R1 and R2 at the same time, and
you'll jump levels. When you are battling a boss, the jump levels cheat
will not kill him, just open the doors to the next level.