Uncover the secret in the old house.

Fight off Marguerite while she wanders the old house to make her run away.

Take down two or more enemies with one shot.

Kill the power.

Complete 'F.N.G.'.

In Multiplayer, capture 10 flags in Frontlines

Complete Shadow of the Tomb Raider on Rite of Passage difficulty

Make an unlikely ally

Defeat the Nahual

Perform 20 headshots with the bow

Complete all main game Challenge Tombs

Collect 20 critters