Excuse the English, I'm using a translator. I've searched the internet for an achievement guide and I can't find one.I am missing very few, if anyone could help me I would appreciate it. I lack 

16: a mirage what is in Twin Peaks, x76 y85 It is all that I know

21: DEATH APOCALYPSE

31: Don't kick the baby! I don't know why but I can't kill it and I already cooked it and the achievement doesn't happen (I've only tried it with orkinds)

69: The Prototype Bioweapon

16 down a hidden hallway in the second half of x76 y85 after you enter the room go down then left then to the wall
 21 this one is obtained during the second cannon sequence in lisa's questline follow the right wall while moving right and you will find an alley way the achievement is unlocked by going down the alley way

32 legit drop baby on ground and gut it

69 be reborn as an abomination and talk to teller to unlock this