Defeat A Boss Easier
If you want to fight boss easier (without sticky bomb), Wait until the boss (every stage) attack you, Press R1 and avoid every time the boss attack, and make sure you got a free space to attack.You can do this to all boss.
Get More Health
During gameplay pause and press Up, Down, Right, Left, Square, Square, Square.
Get Hidden Level
Go to the main title screen and press Up, Down, Right, Left, X, X, X.
Get Extra Level
Go to the main title screen and press L1, Up, R1, Down, L2, Right, R2, Left.
Unlimited Item Capacity
At the item selection screen, press and hold L1 + R1 + R1 + R2 and press Square, Square, Square, Up, Left, Down, Right, Square, Up, Right, Down, Left.
Different stealth kills
If you play story mode or any different mode you simply have to be near an enemy and choose a side (left side, right side, frontside or backside) and press square. The character will do a stealth kill which is different from each side! The character will only do a stealth kill if the enemy didn't saw you. Note: You can also perform a stealth kill from the air ( from the front and from the back )
Unlock B-Side Code
At the title screen, simultaneously press and hold L1 and R2, and then press Down, square, Up, square, Right, square, Left, square. If done correctly, you'll hear a sound. Go to the main menu and select Options. At the Options screen, choose Audio, and at the Audio screen, select Language, where you'll now be able to select B-side.
All Special Abilities
Pause the game, simultaneously press and hold L1 and L2, and then press Up, Up, Down, Down, and release L1 and L2, and then press square, square, R1, R2. If you entered the code correctly, a menu will appear at the pause screen.
Increase Score
Pause the game, plug a controller into the second controller port, and with that controller simultaneously press and hold Li and R1, and then press Right, Right, Left, Left. If you entered the code correctly, the game will automatically resume.
Show Score
Pause the game, plug a controller into the second controller port, and with that controller press Right, Right, Left, Left. If you entered the code correctly, the score and time will appear at the bottom of the screen.
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