You didn't spend any money.
You simply don't spend money through out the whole game.

You created your own religion.
You will get this achievement when you finished the ritual.

You have a carnivorist habit that fits + You found the Enigmarillion.
To find the cape, go to the comic store and talk to the girl about the red cape next to her. She will ask you for a book called "Enigmarillion" in return. Go to the library and search the computer uptairs, It will tell you that the book is on "Paint aisle bookcase 2C". Take the book and go down to the bookshelf with the 8 books. Pick up all the books and place them in order together with the Enigmarillion book:

You met one of the game's creators.
"Read a lot in the library."

You didn't want Sandro to read the cards.
Don't use Sandros help by letting him read the cards.

You put a candle on a cheese.
At the beginning of the game in the church, talk to the old woman at the front.
She will give you some money to buy a candle from the machine (close to the entrance) to put on the cheese next to the door.

You created the sacred book of Carnivorism + You gave the library access card back.
When you are asked to get a book with loads of blank pages, go to the library.
Talk to the man standing beside the copy machine, help him find his access card. In order to do that, head upstairs in the library and search on the computer. It will tell you where the book is which is in aisle 2A at the geography section, push the ladder all the way to the left. Take the card and give it to the man. He will now let you keep the access card.
Go to the storage room next to the entrance where the old lady sits, enter by using the card.
Take a stack of copy paper and a box of pencils. Head upstairs to the shop and ask the man to make the book for you. He will ask you for money, but instead; Use the free flyer next to the old woman at the entrance to get it done for free. The book is still not done and to finish it, just make your way back to the Butcher's and put the book in the bucket of blood.
Go to Sandor and talk to him, he will now let you talk to the Great Bleeding Pig.

You discovered the Allen family farm.
When you come to the part where you are supposed to find Nika's aunts farm, go and visit Nika in her bedroom where you will find her drunk on the bed. Ask her about her aunt's farm, she will eventually tell you some useful nonsence. Make your way all the way to the circus and talk to the clowns on the banners. They will start to talk after a few attempts and clear the way so you can see the farm.

You signed up for the course on creating religions.
Leave the church and make your way to the other building where you will find a guy that looks like wannabe Marilyn Manson. Talk to him about making your own "religion", you will eventually get a contract that needs to be given to the man in the "brown box". Once everything is done, go back to your mom in the church and ask to leave.

You met the Great Bleeding Pig.
You will get this achivement after meeting the Great Bleeding Pig.
(This is connected to Psychography + Good Samaritan)

You changed the music at the burger bar.
Go to the burger bar and change the music on the musicbox, simple.

You bought a ticket for the Fat Black Cat lottery + You broke the piggy bank and collected your savings.
NOTE: You won't be able to get "The Richest Girl in the Cemetery"!

You will need money to do this, obviously. There is 2 options to get money:
Option 1: Save the money the old lady from church gave you.
(You won't get the "Redeeming Cheese" achivement by doing this)
Option 2: Go to Nika's room and ask her if you can borrow her hammer, use the hammer on the piggybank from the Butcher's and you'll get the "Payday" achievement.

Make your way with your money, either what option you chose and buy a lottery ticket from the guy in the small house next to the library.

You handed out invites to the animals at the farm.
Talk to the animals in the barn and convince them to come to your sanctuary.
Once they agree, they will ask you for a proper invitation.
Go to Nika and talk to her in her room, ask her if she can help you out.
She will now give you 1 copy which isn't enough, now head to the library and use the copying machine. Go back to the barn and give the invitations to the animals.

You killed a pig.
After you first meet Sandor and leave his caravan, you'll find yourself in the back of Butcher's with a pig hanging from the ceiling. Pick up the knives from the wall and kill the pig.

You convinced the pig to be the martyr of Carnivorism + You got the farm watermill to work.
Eventually when all the other animals left the farm, you'll find one pig left outside the barn to the right.
Let the pig drink Sandors cocktail and convince him that the barn is the Great Bleeding Pig.
In order to do that you will need the empty bucket from the Butcher's and a rope from the basement inside of the barn at Nika's aunts farm. You will have access to the basement when her aunt is working outside. Once you have the rope and the bucket, go outside to the well.
Use the rope and the bucket on the well until you get a bucket full of water.
Go back to the basement and put the bucket on the lever and remove it when the lights are like this. (The following photo)
Leave it like that and head back upstairs in the barn, press the button to the left on the wall 2 times.
Use the ladder in the barn and open both windows, leave the barn and talk to the pig.

You found the library access card.
Find the access card in the library that belongs to the man beside the copying machine.
(This is connected to Psychography + Good Samaritan)

The butcher's is in your name + You discovered the dog meat scandal.
Once it's time to ask your mom the let her change the name of the Butcher's, she will ask you to find out where people buy their meat. Go to the burger bar and talk to the owner, she won't tell you who she buys the meat from. Go to the vet to the left on the street and talk to the "doctor". Leave the vet and head to grocery store where 2 ladies stand outside. "Look" on the board and you'll see that the meat ads have the vets symbol besides it. Go back to the vet and talk to the doctor, he will now expose himself and tell you that he is the one selling meat to the burgers bar. Go to the burgers bar and talk once again with the owner, she will eventually make up a deal to start buying meat from your store if you promise not to tell the police about the fact that she is making burgers out of dog meat.
Finish talking to her and make your way back home and talk to your mother, she is now supposed to give you a paper after she recieved a call from the owner of the burgers bar.

You made your own library card + You pretended to be Nika at the library, and got away with it.
Once you have the speical book and tries to leave, the old woman will ask you for a library card. This is where you have 2 options:
Option 1: Make your own library card by first spending money on the photobooth to get ID photos and bring them to the library before making the special book.
(You will recieve Licence to Read BUT NOT The Richest Girl in the Cemetery)
Option 2: Use Nika's library card instead of making your own, in order to get it you have to get asked for a library card when you try to leave with the special book. Put back the special book on the shelf and leave. Go to Nika and ask her if you can borrow her library card. Bring it back to the library once you get it and take the special book with you and when the lady asks for the card, show Nika's card instead. (You will recieve New Look BUT NOT Licence to Read)

You won a ticket to the zoo.
When you are supposed to find a machine asked by the owner of the burger bar, you'll see a girl dressed up as a polar bear outside the library. Talk to her about the "free ticket". She will give you 2 options:
Option 1: You can buy the ticket of her.
(You won't get KHM 027 or The Richest Girl in the Cemetery)
Option 2: Answer the questions in order: The cat, The Rooster, The Donkey and The Dog.
(You will get KHM 027)

You made dad lion happy + You got a machine to prepare two thousand burgers a day.
Talk to the lion at the circus, he will give you a box of food that he wants you to give to his kids. When you get told by the owner of the burger bar to get a machine to produce burger, go and talk to Nika. She will help you find a machine located at the Zoo. Either win or buy the ticket to the zoo from the girl in the polar bear suit outside the library. Go to the bus stop and use the ticket on the sign to travel to the zoo. Go and talk to lions at the zoo and give them the food. Enter the door to the right next to the lions and talk to the lady. She will eventually ask you to bring her a recipie in order to give you the machine. Just simply leave the zoo and go back to the circus and talk to the lion, he will give you a recipe. Take the recipe and go back to the zoo and give it to the lady, she will now "give you the machine". Leave the zoo and go back to the circus and talk to the lion, he will now be happy.

(This is connected to KHM 027)

You hung out with Nika. After you spoke to Sandor in the beginning and killed the pig, leave the Butcher's and go an visit Nika in her room.

(This is connected to Pigacide)

You got stuck in the lift.
Get stuck in the lift at the library when you have your backpack filled with stuff; all the books from the shelf, the lions food, Nika's hammer, the access card, the zoo ticket etc...

You found Sandro in a circus caravan.
After you met Sandor the first time and killed the pig, leave the Butcher's and go all the way to the left until you see a circus. Enter the caravan next to the circus tent.

(Connected to Pigacide)