Games like Cozy Marbles
Games like Cozy Marbles include Tiny Glade, House Flipper, My Dream Setup, House Flipper 2, and Spirit City: Lofi Sessions. We matched them by the tags players give Cozy Marbles on Steam (Sandbox, Building, Decorating, Organizing, and Design & Illustration): closest matches first, and among equally close ones the better-known games.

Tiny Glade
Shared: Building · Sandbox · Design & Illustration

House Flipper
Shared: Design & Illustration · Building · Sandbox

My Dream Setup
Shared: Building · Sandbox · Design & Illustration

House Flipper 2
Shared: Decorating · Building · Relaxing

Spirit City: Lofi Sessions
Shared: Decorating · Organizing · Cozy

Townscaper
Shared: Building · Sandbox · Relaxing

Garry's Mod
Shared: Sandbox · Building · Casual

Hozy
Shared: Sandbox · Relaxing · Building

Garden Galaxy
Shared: Sandbox · Organizing · Cozy

Small Spaces
Shared: Building · Sandbox · Design & Illustration

MakeRoom
Shared: Decorating · Sandbox · Building

Paralives
Shared: Building · Sandbox · Simulation

The Sims™ 4
Shared: Building · Sandbox · Relaxing

Stardew Valley
Shared: Sandbox · Relaxing · Building

Panelka
Shared: Building · Design & Illustration · Sandbox

SimplePlanes
Shared: Sandbox · Building · Automation

Planet Coaster
Shared: Building · Sandbox · Relaxing

Furnish Master
Shared: Sandbox · Building · Design & Illustration

Sticky Business
Shared: Decorating · Relaxing · Cute

SUMMERHOUSE
Shared: Sandbox · Building · Relaxing

Town to City
Shared: Building · Sandbox · Cozy

Stormworks: Build and Rescue
Shared: Sandbox · Building · Automation

Factorio
Shared: Sandbox · Automation · Building

gogh: Focus with Your Avatar
Shared: Sandbox · Cute · Relaxing