there is 13 skulls 4 silver and 9 gold (the gold you only get the acheivments for).
Sorry there arn't any, The only skulls are in "Halo 3" Which are used in "Halo 3 O.D.S.T."
There are many Gold Skulls. Look up a tutorial.
There is many silver skulls, look up a tutorial.
They are skulls. idiot.
you can get all of the skulls on multiplayer. =)
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.
There are 6 total skulls in halo 3, the ones for Mythic 1 and Mythic 2
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
find the skulls
There are no skulls in Halo Reach.
Find them your self
http://www.halo3planet.com/halo-3-skull-locations/ is were I found them