Finish all multiplayer maps or all N7 missions in single-player.

Dispatch 10 probes to retrieve people or resources in Reaper territory.

Call down an orbital strike.

Sabotage a dreadnought.

Evacuate a scientific facility.

Obtain two non-customizable suits of armor.

Win a political stand-off.

Kill a brute while it's charging you.

Kill 10 guardians with headshots from the front while their shields are raised.

Destroy an Atlas dropped from orbit.

Stop a Cerberus kidnapping.

Bring a veteran officer aboard.

Chase down an assassin.