Defeat 50 enemies with hand-to-hand combat

Make five enemies drop their grenade by shooting them

Defeat 30 enemies with the Arm Micro

Defeat 20 enemies with headshots

Find 20 treasures

Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.

Make the final assault.

Throw a party for your friends.

Stop an out-of-control scheme before it's too late.

Go undercover to follow a lead.

Send a warning across the galaxy.

Reach level 20 in multiplayer or level 60 in single-player.