Call down an orbital strike.

Sabotage a dreadnought.

Survive the swarm.

Complete one multiplayer match or two N7 missions.

Escape a Reaper in the galaxy map.

Defeat a Harvester.

Destroy an Atlas dropped from orbit.

Visit a store in the single-player campaign.

Modify a weapon.

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

Completed the Main Campaign on Easy difficulty or above.

In the Main Campaign, killed 10 enemies by utilizing environmental hazards.

Completed Emporia.