Kill 3 targets with 1 grenade

Make your first kill as a rookie (in Cause and Effect mission)

Play a round of Carrier Assault

Find 75% of all documents.

Complete one challenge.

Kill and loot 10 flying animals (crows and gulls).

Collect 25% of all relics.

Win a round of each game mode

Find 28 collectibles in the Campaign

Find 18 collectibles in the Campaign

Get 10 multi-kills in the Shanghai mission in the Campaign

Perform 45 kills with the M1911 Handgun in Multiplayer

In multiplayer, be the only player on your team that isn't dead or downed.