Games like Pocket Waifu: Desktop Pet
Games like Pocket Waifu: Desktop Pet include The Sims™ 4, Spirit City: Lofi Sessions, Palia, Chill with You : Lo-Fi Story, and gogh: Focus with Your Avatar. We matched them by the tags players give Pocket Waifu: Desktop Pet on Steam (Cute, Idler, Cozy, Character Customization, and Free to Play): closest matches first, and among equally close ones the better-known games.

The Sims™ 4
Shared: Character Customization · Free to Play · Life Sim

Spirit City: Lofi Sessions
Shared: Cozy · Idler · Relaxing

Palia
Shared: Free to Play · Cozy · Life Sim

Chill with You : Lo-Fi Story
Shared: Relaxing · Anime · Idler

gogh: Focus with Your Avatar
Shared: Cute · Character Customization · Cozy

Mini Cozy Room: Lo-Fi
Shared: Idler · Cozy · Character Customization

Paralives
Shared: Character Customization · Life Sim · Indie

Garden Galaxy
Shared: Idler · Cute · Cozy

Slime Rancher 2
Shared: Cute · Relaxing · Singleplayer

your wife
Shared: Cute · Anime · Relaxing

Unpacking
Shared: Cute · Relaxing · Casual

WEBFISHING
Shared: Cute · Character Customization · Casual

Muse Dash
Shared: Cute · Anime · Female Protagonist

Hatsune Miku: Project DIVA Mega Mix+
Shared: Cute · Anime · Character Customization

Tales of the Shire: A The Lord of The Rings™ Game
Shared: Cozy · Character Customization · Life Sim

Volcano Princess
Shared: Life Sim · Cute · Anime

Calico
Shared: Cute · Character Customization · Casual

Minami Lane
Shared: Cute · Relaxing · Cozy

Travellin Cats in Paris
Shared: Free to Play · Cozy · Cute

Camper Van: Make it Home
Shared: Cute · Relaxing · Cozy

Ropuka's Idle Island
Shared: Idler · Cozy · Relaxing

Hello Kitty Island Adventure
Shared: Cozy · Cute · Life Sim

Our Life: Beginnings & Always
Shared: Character Customization · Cute · Free to Play

Cozy Grove
Shared: Cute · Cozy · Relaxing