Discover an enemy's monstrous origin.

Evacuate a scientific facility.

Explore a lost city.

Lift 100 enemies off the ground with powers.

Survive the swarm.

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

Kill 100 enemies with melee attacks.

Complete one multiplayer match or two N7 missions.

Set 100 enemies on fire with powers.

Kill 250 enemies.

Modify a weapon.

Chase down an assassin.

Start a character in multiplayer or customize a character in single-player.