Games like Tinker to the Moon
Games like Tinker to the Moon include Garry's Mod, Tiny Glade, Hozy, My Dream Setup, and Aviassembly. We matched them by the tags players give Tinker to the Moon on Steam (Building, Physics, Flight, Sandbox, and Cozy): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Physics · Building

Tiny Glade
Shared: Building · Sandbox · Cozy

Hozy
Shared: Cozy · Sandbox · Physics

My Dream Setup
Shared: Building · Sandbox · Simulation

Aviassembly
Shared: Building · Physics · Flight

People Playground
Shared: Physics · Sandbox · Building

Kerbal Space Program
Shared: Physics · Sandbox · Simulation

Townscaper
Shared: Building · Sandbox · Relaxing

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

Space Engineers
Shared: Building · Sandbox · Physics

Besiege
Shared: Physics · Sandbox · Building

SimplePlanes
Shared: Flight · Physics · Building

Poly Bridge
Shared: Building · Physics · Simulation

Planet Coaster
Shared: Building · Simulation · Sandbox

Stardew Valley
Shared: Simulation · Sandbox · Relaxing

Luma Island
Shared: Cozy · Building · Simulation

Paralives
Shared: Building · Simulation · Sandbox

Kerbal Space Program 2
Shared: Building · Sandbox · Physics

The Sims™ 4
Shared: Building · Simulation · Sandbox

House Flipper
Shared: Building · Simulation · Sandbox

Superflight
Shared: Flight · Casual · Relaxing

Town to City
Shared: Building · Cozy · Relaxing

Two Point Museum
Shared: Building · Simulation · Casual

SUMMERHOUSE
Shared: Sandbox · Building · Relaxing