Bancho Ratchet Skin:
To unlock the Bancho Ratchet Skin, pause the game and enter UP, RIGHT, DOWN, LEFT, TRIANGLE, SQUARE, X, CIRCLE, R3.
Dan Johnson skin:
To unlock the Dan Johnson skin, win five of each game or survive 10 consecutive Death Matches.
New Game :
To unlock New Game mode you must beat the game. In New Game mode you will keep all of your weapons from your previous playthrough and the enemies will be harder.
Insomniac Moon