Perform 200 3-hit combos

Perform 50 Shadow kills

Leap over and kick an enemy from cover

Acquire Shadow

Perform a silent kill with Shadow

Achieve maximum VARIATION BONUS on any level (excluding the Prologue)

Kill an enemy by knocking or throwing him off a ledge

Clear a path for Jack

Campaign: finish Heart of Darkness

Campaign: find 5 collectable weapons

Campaign: 50 kills with assault rifles

Use the Grim Reaper to destroy the MG emplacement.

Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.