Complete the game on Casual difficulty.
Complete the game on Survival difficulty.
Remove an invisible enemy from the equation.
I should get this whole generator panel running just in case. (Ch. 14)
Sneak Kill an enemy after hitting them with a bottle.
Kill 3 living enemies with one drop of a match.
End a monstrosity in the underground garage.
Kill 5 enemies in a row with a sneak kill without being discovered.
That vision in the hospice... why here? Why now? (Ch. 4)
Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
The water's rising, but we'll get out of this without a scratch. (Ch. 5)
Survive the duel without using any electronic devices in the environment. (Ch. 2)