Games like Makarov Math Suite
Games like Makarov Math Suite include Kerbal Space Program, Kerbal Space Program 2, Universe Sandbox, Totally Accurate Battle Simulator, and Space Engineers. We matched them by the tags players give Makarov Math Suite on Steam (Simulation, Software, Sandbox, Exploration, and Realistic): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Sandbox · Space

Kerbal Space Program 2
Shared: Sandbox · Exploration · Space

Universe Sandbox
Shared: Simulation · Sandbox · Space

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Realistic

Space Engineers
Shared: Sandbox · Simulation · Space

Spaceflight Simulator
Shared: Sandbox · Simulation · Exploration

BeamNG.drive
Shared: Simulation · Realistic · Sandbox

Garry's Mod
Shared: Sandbox · Physics · Simulation

Universe Sandbox
Shared: Simulation · Sandbox · Space

SPORE™
Shared: Sandbox · Simulation · Exploration

Solar Expanse - Space Exploration Manager
Shared: Simulation · Sandbox · Space

Goat Simulator
Shared: Simulation · Sandbox · Physics

People Playground
Shared: Sandbox · Simulation · Physics

Empyrion - Galactic Survival
Shared: Simulation · Space · Exploration

Cooking Simulator
Shared: Simulation · Sandbox · Realistic

Space Engineers 2
Shared: Sandbox · Simulation · Space

Gold Mining Simulator
Shared: Simulation · Realistic · Sandbox

Stellaris
Shared: Space · Simulation · Exploration

SpaceEngine
Shared: Sandbox · Space · Realistic

Barn Finders
Shared: Simulation · Exploration · Indie

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Singleplayer

Slime Rancher
Shared: Exploration · Simulation · Sandbox

Goat Simulator 3
Shared: Sandbox · Simulation · Exploration

X4: Foundations
Shared: Simulation · Space · Exploration

