Grind your first rail (not achievable in Tutorial)

Complete any research project in the Normandy's laboratory

Successfully recruit Archangel

Make 20 enemies scream as they fall or are set on fire

Retrieve mineral resources by scanning and probing a planet in the galaxy map

View all advanced combat training videos at Shepard's private terminal.

Save your crew from an overwhelming attack

Reach the third level without losing a life.

Finish the game.

Score 250,000 points.

Kill 30 two-headed wolves.

Collect Spirit Balls from the first three White Wolves in any level - Single Player mode only.

Defeat the first level boss.