Make the final assault.

Defeat an old adversary.

Repair in the pits 10 times

Trigger a jump boost

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

Set 100 enemies on fire with powers.

Record at least 5 blocks and 5 steals with any team in a non-simulated game.

Disable a group of fighter squadrons.

Complete three multiplayer matches or five N7 missions.

Complete one multiplayer match or two N7 missions.

Establish or rekindle a romantic relationship.

Win a political stand-off.

Kill a brute while it's charging you.