Perform 10 combo buddy takedowns

Defeat enemies with a stealth attack, melee attack, headshot, and explosives, in that order, in 15 seconds

Defeat 10 enemies in 60 seconds with the China Lake Grenade Launcher

Make 10 enemies drop their grenades

Defeat 10 enemies in a row, alternating gunplay and hand-to-hand

Perform 30 vertical stealth takedowns

Find all Treasures

Complete the game in explorer mode

Complete game with 70% or higher shot accuracy

Listen to all optional conversations in game

Find All Journal Notes

Defeat 100 enemies in a row without dying in combat

Play in the ocean near the sunken ship