Complete the campaign on any difficulty.

Find the Soviet connection in Laos.

Escape the Past.

Retrieve the dossier and the defector from Hue City.

Sabotage the Soviet space program.

Escape Vorkuta.

Take down Castro with a headshot.

Complete all missions on the Eastern Front on any difficulty. (Solo only)

In the final battle for Okinawa, save Sergeant Roebuck.

Cap 25 enemy flags

Reach rank 10 in Combat Training.

You were successfully promoted up a rank in multiplayer.

You killed a Rockstar in multiplayer.