Push the Flut Flut Egg Off the Cliff

Open the Precursor Door

Kill a brute while it's charging you.

Visit a store in the single-player campaign.

Return to active duty.

Obtain a 100% completion score with both fighters in a fight in Ultimate Fights Mode.

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Refuse to solve the first test in Chapter 8

Accumulate 15 hours of fight time.

KO the opponent with a soccer kick.

Save humanity throughout the galaxy from certain annihilation

Use the Omega 4 Relay

Hack a geth collective