Rescue Oliver from the pirates.

Kill 4 enemies simultaneously with one explosion (Single Player only).

Hunt and skin a rare animal.

Tag 25 enemies using the camera (Single Player only).

Spend $5000 at the shop.

Unlock 50 entries in the Survivor Guide.

Craft 5 upgrades for your equipment.

Return to the doctor with the cave mushrooms.

Liberate an outpost without triggering an alarm.

Complete a WANTED Dead quest.

In TranZit, kill one of the denizens of the forest while it is latched onto you.

Kill the Persian King