[i] Superior Firepower [/i] 25G- Complete the level Outskirts and Metropolis without setting foot in a vehicle. [i] Cleanse the Heresy [/i] 10G- In the Banshee part of the level "The Arbiter," kill all the Heretics around the station. [i] Hey! Watch This! [/i] 20G- Cut the cable holding the station on "Oracle" in under 60 seconds on Heroic or higher. [i] Marathon [/i] 50G- Complete "Quarantine Zone" without getting in a vehicle.