Project Horned Owl Cheats - PlayStation
Primary Collection of Cheats
Extra options
Complete the game under the very hard difficulty level.
The following options will now be available. Polygon test (view
enemies from any angle), Mission select, Movie test (view all
FMV sequences), and Audio test.
Extra continues
Begin game play in single player mode. Press [Start]
on controller two just before losing your last life to gain three
additional continues a second player.