Have they lost their minds? Better get past them without a fight. (Ch.2)

Upgrade all options in the Stock menu.

Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)

Show the outside world that you're still alive

Complete the game (any difficulty)

Inspect all photographs and documents

Kill 25 enemies without aiming

Quiet a Screamer

Kill 15 enemies with melee attacks

Inspect all objects

Kill 7 enemies with silent takedowns

Kill 3 enemies with a single explosion

Kill 40 enemies with science weapons