Locate all the Moebius survivors in “The Moebius Factor” mission on Normal difficulty.
Score the rank of Gold in the “Covert Ops” challenge mission.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Complete the “Ghost of a Chance” mission using Dominated units to kill at least 15 enemy troops on Normal difficulty.
Complete the “A Sinister Turn” mission on Hard difficulty in less than 25 minutes.