Here is the full list of all 23 Ravenous Devils achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Do you like black humour? No? You'll like it, trust me
Play with the sign 10 times
Act like a good parent
Open the shop with the displays and the mannequins full
Get all the upgrades. Mr. T would be proud
Learn all your grandma's recipes
Buy all tables. Now you're not just doing takeaway, you have a real restaurant!
Who is the real devil in the end?
Fertilise the unusual plant in the greenhouse and make it sprout up
Make a new dress for Yvonne
Find out where Elisewin is gone
Help Gilbert
Hire an attendant
You didn't use your scissors today. It was boring, wasn't it?
Anyone else?: Use your scissors 50 times on your clients
Buy a warm couch for your cat
So, you got into gardening
Take Elliot's measurements
Produce minced meat 20 times
Receive the first letter
Buy a new outfit (it's not for Vicky this time)
Produce sausages 20 times
Produce steaks 20 times