Solve 40% of riddler challenges

Defeat 30 enemies with the Desert - 5

Harvest some leather.

Defeat 30 enemies with the Tau Sniper

Escape the city. Complete "Blood Brothers" on any difficulty.

Defeat 250 enemies with headshots

Escape the Past.

Inspect almost every display case in the Cartagena Museum

Defeat 20 enemies by shooting from the hip (without aiming with L1)

Receive orders from Lancer.

Find 20 treasures

Assault the shipping company. Complete "Return to Sender" on any difficulty.