[i] The Hunter [/i] 25G- On Legendary, kill a total of 25 Jackal Snipers throughout the campaign. [i] What's this doing here? [/i] 25G- Get the soccer ball on Metropolis. [i] Where did my guns go? [/i] 50G- Use the Envy Skull glitch to achieve infinite camoflauge. [i] Vengeance [/i] 25G- Kill all the Brutes on the level "Uprising" on Heroic or higher. [i] Oohrah! [/i] 50G- Keep all the marines alive until the end of the level "Gravemind" on Normal or Higher. [Edited on 12.22.2011 3:42 PM PST]