String up one henchman and drop him to surprise a second (any play mode).

Take down Zsasz in the Patient Pacification Chamber

Complete one Competitive Multiplayer game

Finish the game in Normal Mode

Defeat 30 enemies with the Desert - 5

Defeat 30 enemies with Mk-NDI grenades

Defeat 50 enemies with stealth attacks

Defeat 100 enemies with headshots

Find ten treasures

Defeat 50 enemies with the 92FS - 9mm

Defeat 20 enemies with hand-to-hand combat

You were invited into your girlfriend's house.

You completed the mission "Uncle Vlad".