Original URL: http://www.psxextreme.com/psp-cheat-print/417.html
Manhunt 2

Infinite Ammo
At the main menu: Up, Down, Left, Right, Up, Down, Left, Right.

Level Select

At title screen: Up, Up, Down, Down, Left, Right, Left, Right.

Leo's Mission:
Complete the game once.

Relive Scene Option
Complete the game once. This is a mission select feature.