I don't believe you collect any. You just turn them on or off.
In the wave options when customizing a firefight game.
When you have the skull menu brought up, click on the skulls you want to activate to activate them. Simply, move the control stick to the skull, and press the button.
it ether affects the gme to make it harder or it makes more fun like the grunt birtday party skull when you shoot a grunt in the head but all but two of the skulls make it harder so if you search this then you must like halo i would be suprised i you dont it is a great game if you want to know more then just ask me ok i know most there is to know about halo.
Red Skulls real name is Yo Hon Schmitz
There are no skulls in Halo Reach.
Search for Halo 2 skulls on www.youtube.com and there will be a selection of videos showing the wereabouts of the skulls or how to get them : )
They are skulls. idiot.
you can get all of the skulls on multiplayer. =)
You do not keep the skulls in Halo 2 they are a one level sort of thing.
ok, go to youtube and type in "how to find all halo 3 skulls" then watch the video and get the skulls. yes, its that simple.
Sorry there arn't any, The only skulls are in "Halo 3" Which are used in "Halo 3 O.D.S.T."
if you want to know where the skulls are all you have to do is go to youtube and put in "halo 3 odst mythic skulls" and it will show you how to get to them
You click on the tab that says skulls and you click on the skull.
Find them your self
There are many Gold Skulls. Look up a tutorial.
There is many silver skulls, look up a tutorial.