Defeat 50 enemies with stealth attacks

Defeat 30 enemies with Mk-NDI grenades

Defeat 20 enemies with headshots

Defeat 20 enemies with hand-to-hand combat

Defeat King Minos

Find a Beatrice stone

Perform a 50 hit combo

Break through the Gates of Hell

Fight against the prisoner at Acre

Complete "And the Truth Will Set You Free".

Purchase a rare weapon from a gunsmith.

Score from outside the box with a player with the Distance Shooter Speciality