Unlock New Multiplayer Map:
Beat the single player compaign on heroic difficulty to receive the
multiplayer map ''Foundation''.
At the beginning of Outskirts jump on top of the light on top of the
door with a crouch jump, then jump to the left platform. Turn to your
left and go down the long dark corridor and pick up the skull; it
will say blind and your screen will flash black for a while. In this
mode you can not see your weapon, body, shields, ammo, or radar.
To get rid of this feature use the following method:
1. Turn off your XBOX or Save and Quit.
2. Go to Campaign and select level and choose Cairo Station.
3. Skip the cinematics and then Save and Quit.
4. Go Outskirt and your hud is back.
"Blue Screen of Death" in Zanzibar:
In the multiplayer map Zanzibar, there should be a computer on
the upper level on the defense side that opens up the main gate
into the base. After you activate this, the screen goes blue with
the infamous BSOD.
a,a,y,b,y,black,and white - get a jet pack that you can fly in.r