Here is the full list of all 13 Konrad the Kitten achievements.
Get all accessories available in the game.
Wear 4 different accessories at the same time.
Get a total score of 10 points.
Give the kitten a balloon ride.
Have 100 coins in your purse.
Visit the beach with your kitty.
Go to the dark forest.
Clear the table in the Tea party minigame.
Get 1000 points in a mini-game.
Chill out in the living room.
Visit the bathroom.
Cuddle the kitten in plushy mode.
Finish the kitten tutorial.