Clear the level "My Peronal Battlefield."
Clear the level "Sleepless Nights."
Clear the level "Past Secrets."
Make your way up to the lobby.
Get the contents of Dr. Fletcher's suitcase and unlock every safe.
Escape the prison dead or alive.
Retrieve the black pill.
Take the black pill and defeat Amos.
Kill an agent that sees you before he can call for help.
Kill 5 agents in a row while in slow motion.
Kill 25 porcelain figures in your nightmare.
Perform 3 full combos that kill enemies within 10 seconds.
Kill 3 agents with one shot.