Halo Vidmaster Challenges

Get the rank of Lieutenant in any playlist in the new EXP progression system.

After 9/25/08, complete Halo (Final level) on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.

Enter into a ranked or social playlist with 7 EXP on the 7th of the month.

Find all the hidden skulls on the Mythic maps

Complete Coastal Highway on 4-player Legendary LIVE co-op, with the Iron skull on and without using Warthogs or Scorpion Tanks.

In Firefight, on any mission, pass the 4th set on 4-player Heroic LIVE co-op.

Finish any Campaign level on Legendary solo without shooting or throwing a grenade (Power sliding and honking the horn on vehicles will be counted as shooting/grenade throwing).