We have 1 cheats and tips on PlayStation. If you have any cheats or tips for Hard Boiled please send them in here. You can also ask your question on our Hard Boiled Questions & Answers page.
Level select
Hold Up + X + Start at the text credits opening screen and select "Load Game".
Fight level 5 Boss
Enable the "Level select" code. Then, hold R1 during the "Loading" screen.