Complete Mission 8

Destroy the plane using a Bolt-Action Rifle

Complete Mission 7

Fully Target Focus 100 times

Complete 50% of all Secondary Objectives in the Main Campaign

Kill one of each infantry type

Kill an enemy via a booby trap

Get at least one killshot on every organ

Incapacitate an enemy, then shoot them in the testicles

Complete Mission 1

Don't lose any fight before reaching the end

Finish the game once