Collect every weapon on one profile

Survive the shuttle flight with less than 10% shields intact

Defeat the giant necromorph in the water tunnels

Open the secret weapons store in P-Sec

Complete Chapter 4: "Rendezvous with Fate"

Keep any vehicle at 30mph or over for 5 or more minutes.

Finish the story on Medium difficulty level or higher.

Find all of the Playboy magazines.

Drive at least 30 different vehicles.

Kill a total of 30 enemies using melee attacks.

Pay a visit to an old friend.

Complete Chapter 12.

Sell 5 vehicles to Derek at the dock.