If you are looking to 100% the game, focus on these specific interactions noted in the Steam community guides:

Are you stuck on a or looking for missing achievements ? Cat Museum - Reviews - HowLongToBeat.com

: A specific late-game interaction emphasizing the player's "service" to their cat master. Walkthrough Tips

: It is a relatively short experience, with a median play time of about 2 hours for the main story.

: Mechanics involve finding hidden clues and solving strange puzzles. These range from simple matching games (like clicking 5 pairs of matching colors) to interactive tasks like grooming a cat with a handcrafted comb.

: To get the Pro Groomer achievement, use the comb and keep the gauge in the middle. You must move the comb constantly to please the cat quickly.