Here is the full list of all 48 The Lost Art of Innkeeping achievements.
Pay off part of the loan and reach a profit-sharing agreement with the bank.
Because you said you didn't like pets, you received a very valuable item during the surprise party.
Pay off loan without selling anything found during the course of the game.
Every possible guest stayed at least once (new game+).
Willing to try new foods.
An aquatic visitor and her pet stayed at the inn (new game+).
Expose Rudolph's villainy and run him out of the village.
Get Rudolph to give you the painting of roses hanging on his wall.
Solve the mystery of why Aunt Agatha had to borrow money, and discover Rudolph's deceit.
Keep the gold sword and gold plate found in the ruins for display in the manor.
Play a prank on the prankster.
Buy all upgrades for the manor from the general store and the tailor (new game+).
Receive a gift from Irene (new game+).
Make a profit of 1,500 gold or more in a single day.
Return 10 lost-and-found items to guests.
Pay off loan in classic mode.
Pay off loan.
Pay off loan without raising prices beyond the 'Cheap' level.
All four opera singers stayed at the inn on the same day.
Lance and Gwen met and fell in love because of you!
Fulfill all of the royal family's needs and receive the Royal Warrant.
Play host to the royal family.
Talk to the art expert and keep the six paintings owned by Aunt Agatha.
Receive a five-star rating.
A guest stayed eight times before Day 30.
Find all 15 Dickens books.
Sell paintings to Rudolph.
Obtain the painting of the couple.
All five rooms at the inn are occupied.
Someone outsmarted you to find the buried treasure first.
Achieve an average guest rating of 140 or higher with at least four rooms occupied.
All buildings in the village and the fountain have been upgraded, occupied, or built.
Give the gold sword and gold plate found in the ruins to the national museum.
The coral cave is open.
Reserve a room for a guest.
Receive a four-star rating.
The ruins are open.
Receive a gift from Johan.
Chase off the ghost.
Receive a three-star rating.
You told Wodehouse you loved pets.
Give the shopkeeper money to purchase supplies, with no strings attached.
Receive a two-star rating.
Get the manor repaired for free.
Design an advertisement.
Receive a one-star rating.
Check in your first guest.
Get the maximum possible discount from the carpenter.