Apply the below code then press L3 to enable a debug menu at any time.
SLPS-25743 codes: Master Code (only needed for cheat devices) 901E8E80 0C07A348 Press L3 For Debug Menu 201CA7CC 0806F854 D02E0E02 0000FFFD 201CF34C 08045FAC D02E0E02 0000FFFF 201CF34C 03E00008
Allows you to change maps at any time. There's also two categories of test levels to choose from.
Allows you to change camera modes. Setting this to DEBUG allows a free camera mode. Press and hold L2 to enable the free camera and the Analog Stick to move it around.
This allows you to change environment light settings.
Aside from the 30FPS option, no other options appear to work.
Allows you to set player NPC settings.
Allows you to play SFX and music.
Allows you to play a single movie file.
Allows you to set memory card options.
Allows you to view special effects.