http://www.YouTube.com/watch?v=QOwcxKON_HE&feature=related
this is a guide to where all the skulls are
Should be the same way.
No
The first skull on halo 3 is a silver skull. Silver skulls do not award any achievements.
After finding a halo 3 skull, simply pick it up as you would any other weapon.
The last skull is the easiest one to get, start the last level and go as normal, but as you go into the cave look at the right wall and there should be a smaller tunnel you can follow, the skull is at the end of the tunnel.
once you get a skull in halo 3 you can co to the campain options and turn it on different skulls do different things
13
http://www.halo3planet.com/halo-3-skull-locations/ is were I found them
iron is a gold skull. when you activate it it will make your score higher. but if you die with it on, then you will restart from the last checkpoint.
You do not jump through rings to get the tilt skull in halo 3.
the fog skull takes away your radar. you find the skull on floodgate
There are not skulls in Halo 2! It's just Halo 3!