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