Recon Armor:To unlock the Recon Armor, you must unlock the following seven “Vidmaster challenge” achievements in Halo 3 and Halo 3: ODST. After you complete the achievements, visit Bungie.net to get the download code. The following are the Vidmaster achievements:Halo 3 Vidmaster Challenge achievementsACHIEVEMENT – HOW TO UNLOCKVidmaster Challenge: Annual – Complete Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.Vidmaster Challenge: Lightswitch – Get the rank of Lieutenant in any playlist in the new EXP progression system.Vidmaster Challenge: 7 on 7 – Entered into a ranked or social playlist with 7 EXP on the 7th of the month.Vidmaster Challenge: Brainpan – Find all the hidden skulls on the Mythic maps.Halo 3: ODST Vidmaster Challenge achievementsACHIVEMENT – HOW TO UNLOCKVidmaster Challenge Classic (25 points) – Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.Vidmaster Challenge Endure (25 points) – In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.Vidmaster Challenge D?j? Vu (25 points) – Beat Highway on 4-player Legendary LIVE co-op, with Iron, and no