Here is the full list of all 47 Pets Hotel achievements.
Receive the first guest
Return 5 guests in good condition in a row
Return 50 guests in good condition
Return 100 guests in good condition
Call the masseur 10 times
Call the groomer ten times
Call your veterinarian 10 times
Get the first bad opinion
Earn 5 stars
You have given the pet food that it is allergic to
There are 10 dogs in the hotel
There are 10 cats in the hotel
There are 10 rabbits in the hotel
There are 10 turtles in the hotel
There are 10 fish in the hotel
Hire 10 employees
Hire an employee
Get $500,000
Buy land
Buy the entire available area
Stroke the pet
Stroke 50 pets
Clean up the poop
Bathe 30 dogs
Badly cut nail/claw
In your hotel, there are all kinds of animals
Dig 30 holes
Give 20 treats
There are 50 pets in the hotel
Work the whole day without skipping a day
Work 7 days in a row without skipping a day
Upgrade 10 aquariums
Upgrade 10 turtle terrariums
Upgrade 10 rabbit pens
Play 10 times with the dog pulling the rope
Play 10 times with the cat using feathers on a stick
Play 10 times with the rabbit in looking for carrots
Play 10 times with the turtle in a race for food
Play 10 times with the fish in bubbles
Wash the dog in less than 45 seconds
First bath
The dog brings you a ball
Your hotel has been operating for 10 days
Your hotel has been operating for 50 days
Your hotel has been operating for 100 days
Place 500 walls
Build 1000 walls