Perform 5 Eagle's Talon takedowns

Perform a Stealth Takedown on 25 enemies

Collect all Last Letters, Letters From Home, and Letters To Home in the main game

Shoot all Stone eagles

Fully master a rifle, secondary weapon and pistol

500 Kills with a Rifle

Complete Mission 8

Reach character rank 25

250 Kills with a Secondary Weapon

Defeat the Empress Jaguar

Survive the flood

Kill 3 enemies while they are distracted