Games like Comfy Girl
Games like Comfy Girl include Spirit City: Lofi Sessions, Kind Words (lo fi chill beats to write to), Dressmaker, TOEM: A Photo Adventure, and Mini Cozy Room: Lo-Fi. We matched them by the tags players give Comfy Girl on Steam (Cozy, Music, Wholesome, Casual, and Creature Collector): closest matches first, and among equally close ones the better-known games.

Spirit City: Lofi Sessions
Shared: Cozy · Relaxing · Creature Collector

Kind Words (lo fi chill beats to write to)
Shared: Cozy · Wholesome · Relaxing

Dressmaker
Shared: Cozy · Design & Illustration · Relaxing

TOEM: A Photo Adventure
Shared: Cozy · Wholesome · Casual

Mini Cozy Room: Lo-Fi
Shared: Cozy · Music · Relaxing

Paralives
Shared: Life Sim · Character Customization · Casual

Ithya: Magic Studies
Shared: Cozy · Music · Casual

Sticky Business
Shared: Casual · Relaxing · Wholesome

Tiny Glade
Shared: Cozy · Relaxing · Casual

Is This Seat Taken?
Shared: Casual · Cozy · Relaxing

The Sims™ 4
Shared: Life Sim · Character Customization · Casual

My Dream Setup
Shared: Relaxing · Cozy · Casual

Slime Rancher 2
Shared: Relaxing · Creature Collector · Cute

Unpacking
Shared: Casual · Relaxing · Cute

Cast n Chill
Shared: Cozy · Relaxing · Creature Collector

Minami Lane
Shared: Casual · Cozy · Relaxing

Lil Gator Game
Shared: Cozy · Casual · Wholesome

Spilled!
Shared: Cozy · Casual · Relaxing

Creature Kitchen
Shared: Cozy · Creature Collector · Relaxing

Virtual Cottage 2
Shared: Cozy · Relaxing · Casual

A Little to the Left
Shared: Relaxing · Casual · Cozy

Tiny Bookshop
Shared: Cozy · Casual · Relaxing

Travellin Cats in Paris
Shared: Wholesome · Cozy · Casual

Chill with You : Lo-Fi Story
Shared: Casual · Relaxing · Atmospheric