Complete "Twine Peaks Storm Shield Defense 6"

Complete "Quad Squad"

Complete the game in explorer mode

Complete the game in moderate mode

Complete game with 70% or higher shot accuracy

Make 10 enemies drop their grenades

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

Defeat 50 enemies with headshots

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Defeat 20 enemies with headshots

Stealth take-down 5 enemies

Find a Treasure