Games like Makarov Astronomy Suite
Games like Makarov Astronomy Suite include PC Building Simulator, People Playground, Kerbal Space Program, Garry's Mod, and House Flipper. We matched them by the tags players give Makarov Astronomy Suite on Steam (Casual, Simulation, Software, Education, and Sandbox): closest matches first, and among equally close ones the better-known games.

PC Building Simulator
Shared: Simulation · Education · Sandbox

People Playground
Shared: Sandbox · Simulation · 2D

Kerbal Space Program
Shared: Simulation · Sandbox · Education

Garry's Mod
Shared: Sandbox · Casual · Simulation

House Flipper
Shared: Simulation · Casual · Sandbox

Goat Simulator
Shared: Simulation · Casual · Sandbox

Universe Sandbox
Shared: Simulation · Sandbox · Education

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Indie

Game Dev Tycoon
Shared: Simulation · Casual · Indie

Universe Sandbox
Shared: Simulation · Sandbox · Casual

SpaceEngine
Shared: Casual · Sandbox · Simulation

911 Operator
Shared: Simulation · Casual · Indie

BeamNG.drive
Shared: Simulation · Sandbox · Realistic

Besiege
Shared: Simulation · Sandbox · Destruction

Gas Station Simulator
Shared: Simulation · Casual · Education

Cities: Skylines
Shared: Simulation · Sandbox · Building

Thrive
Shared: Simulation · Sandbox · Education

Car Mechanic Simulator 2021
Shared: Simulation · Sandbox · Realistic

My Dream Setup
Shared: Simulation · Casual · Sandbox

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

Automation - The Car Company Tycoon Game
Shared: Simulation · Sandbox · Education

Plague Inc: Evolved
Shared: Simulation · Casual · Indie

Poly Bridge
Shared: Simulation · Sandbox · Indie

Stardew Valley
Shared: Simulation · Sandbox · Casual