Gunmetal code

Mission select:	At the Mission Select screen, click Left Analog-stick, press Black, R, click Right Analog-stick, press White, L.
Alternate music:	At the Title screen, click Left Analog-stick twice, click Right Analog-stick twice, L, R.
Funny mission briefings:	Play missions 1, 3, 6, 8, 9 or 14. At the armory screen before launch, press L, L, R, R, click Left Analog-stick, click Right Analog-stick
Skip mission:	During a Mission, click Left Analog-stick, press White, White, Back, click Right Analog-stick, press White.

Gunmetal