Inspect almost every display case in the Cartagena Museum

Finish the game in Normal Mode

Defeat 30 enemies with the SAS - 12

Defeat 30 enemies with the Tau Sniper

Defeat 100 enemies with headshots

Defeat 30 enemies with the PAK-80

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Defeat 30 enemies with the Arm Micro

Defeat 30 enemies with the KAL 7

Make five enemies drop their grenade by shooting them

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with hand-to-hand combat

Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."