Games like MiDiO!
Games like MiDiO! include My Dream Setup, Tiny Glade, House Flipper, Planet Coaster, and Megaquarium. We matched them by the tags players give MiDiO! on Steam (Design & Illustration, Sandbox, Building, Management, and Third Person): closest matches first, and among equally close ones the better-known games.

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

Tiny Glade
Shared: Design & Illustration · Building · Sandbox

House Flipper
Shared: Design & Illustration · Building · Sandbox

Planet Coaster
Shared: Building · Sandbox · Management

Megaquarium
Shared: Building · Sandbox · Management

PC Building Simulator
Shared: Building · Sandbox · Management

Two Point Hospital
Shared: Management · Building · Sandbox

SuchArt: Genius Artist Simulator
Shared: Design & Illustration · Sandbox · Management

Two Point Museum
Shared: Building · Sandbox · Management

Garry's Mod
Shared: Sandbox · Building · Casual

Cities: Skylines II
Shared: Building · Sandbox · Management

Furnish Master
Shared: Sandbox · Design & Illustration · Building

Two Point Campus
Shared: Management · Building · Sandbox

Planet Zoo
Shared: Management · Building · Sandbox

Cities: Skylines
Shared: Building · Management · Sandbox

Small Spaces
Shared: Design & Illustration · Building · Sandbox

Panelka
Shared: Design & Illustration · Building · Sandbox

The Tenants
Shared: Design & Illustration · Management · Building

King of Retail
Shared: Design & Illustration · Management · Sandbox

RollerCoaster Tycoon®: Deluxe
Shared: Sandbox · Management · Building

Townscaper
Shared: Building · Sandbox · Relaxing

Tiny Pasture
Shared: Creature Collector · Cute · Idler

Slime Rancher 2
Shared: Relaxing · Cute · Creature Collector

The Sims™ 4
Shared: Building · Sandbox · Relaxing