Here is the full list of all 13 Past Cure achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Kill 25 porcelain figures in your nightmare.
Take the black pill and defeat Amos.
Retrieve the black pill.
Escape the prison dead or alive.
Get the contents of Dr. Fletcher's suitcase and unlock every safe.
Kill 3 agents in one shot.
Kill 5 agents in a row while in slow motion.
Kill an agent that sees you before he can call for help.
Make your way up to the lobby.
Complete 3 full combo's that kill enemies within 10 seconds.
Clear the level "Past Secrets."
Clear the level "Sleepless Nights."
Clear the level "My Personal Battlefield."