Destroy the Naval Cannon.

Destroy the Machine Gun.

Kill your target while hidden in a hay bale (Multiplayer Only).

Find 1 Artifact in 2012.

Discovered 125 locations.

Hacked 25 terminals.

Reached 30th level.

Completed Return to Sender.

Sold 10,000 caps worth of goods.

Caused 10,000 damage with Melee Weapons.

Made 50 Speech challenges.

Discover the Shrine in Il Colosseo.

Achieve 100% Synchronization in any Sequence other than Sequence 1.