Perform 50 headshot kills in the single player campaign.

Perform 15 finishers.

Find 25% of all documents.

Kill 50 enemies with the bow.

Flex your muscles and show off your pinball skills by earning 2000 Pro Score!

Unlock Sarah.

Unlock Akira.

Survive the Giant Boulder ramp!

Successfully attack during a Cliffhanger.

Win without taking any damage.

Complete a WANTED Dead quest.

Return to the doctor with the cave mushrooms.

Complete a Supply Drop quest.