Camera View
You can switch to a fixed camera angle by pressing Circle + X +
Start.
Change Background
To change the background on all menus, first make a design in the
"Edit Emblem" screen when you are done hold L1+R1+SELECT.
Now you design is the background.
Debug Mode
While playing, pause the game then press Up, Right, Left, Down,
Circle, L1, R1, R1, L1, Circle, Down, Left, Right, Up.
Fire the Laserblade
You can fire a beam of light from your lazerblade. To do this, press CIRCLE to use the lazerblade, then as the arm comes down hit X. It has no lock so you really need to have good aim. If done correctly it will fire a cresent shaped beam.
First Person View
To switch to first-person view, press Triangle + Square + Start at the same time then unpause the game. To return to third-person
view, just pause the game then unpause it.
Level Skip
To skip to the next mission, pause the game and press Up, Down,
Circle, L1, R1, L1, Circle, Down, Up.
Human Plus Mode
Start a new game, and fail all the missions you play until you are below -50,000 credits in debt. An FMV will be played, and you
will start the game over with a clean slate. Doing this gives you
special abilities, the first time it gives you a grid radar, the fourth time it gives you the ability to fire back weapons with huminiod legs while standing. The sixth gives you 2x energy for boosting, and weapons.