Halo 3 Achievements 





    * Vidmaster Challenge: Lightswitch (0 points) – Get to the rank of Lieutenant in any playlist in the new EXP progression system.
    * Vidmaster Challenge: 7 on 7 (0 points) – Enter into any ranked or social playlist with 7 EXP on the 7th of the month.
    * Vidmaster Challenge: Annual (0 points) – After 9/25/08, complete Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.
    * Double Double (25 points) – On a Legendary map, get two Double Kills during any ranked or social match.
    * Poor Yorick (25 points) – On a Legendary map, get 3 Oddball melee kills during any ranked or social match.
    * Came…From…Behind (50 points) – On a Legendary map, get 3 assassinations during any ranked or social match.
    * Defend This (50 points) – On a Legendary map, get a flag melee kill during any ranked or social match.
    * Flag Dropped (25 points) – On a Legendary map, get 2 flag carrier kills during any ranked or social match.
    * Road Rage (25 points) – On a Legendary map, get 5 Warthog chaingun kills during any ranked or social match.
    * Look Both Ways (50 points) – On a Legendary map, get a Splatter Spree during any ranked or social match.