Stop a Cerberus kidnapping.

Bring a veteran officer aboard.

Visit a store in the single-player campaign.

Modify a weapon.

Evolve any of your powers to rank 6.

Survive suicide mission

Use the Omega 4 Relay

Obtain geth technology

During open play, score a long-distance goal with a defender (25 yards out)

Accumulate a total of 120000 Battle points.

Defeat 300 enemies with heavy attacks and/or lock-on fire.

Activate Burst 50 times.