Human Plus
Human Plus is back. Just drop to -50000 credits and an experiment will be done on you. You need to do this multiple times to get the full benifit. warning, this will restart your game (except for the first mission)
1st time: Automatic Radar
2nd time: Ability To Throw The Laserblade
3rd time: Have Heat Taken Away From Attack
4th time: Ability To Walk While Shooting Back Weapons
5th time: Use Half Of The Energy
6th time: Double energy
Note: to shoot the laserblade use it then immediately press the boost button. takes some practice but is completely worth it.

First person view:
Hold Triangle + Square + Start. Release all the buttons, then press Start again.

Fixed camera view
While playing a game, hold Circle + X + Start, then press Start again.

Return to default view
To return to the default view, pause the game, then press Start or Select to resume the game.