Games like Galimulator
Games like Galimulator include Totally Accurate Battle Simulator, Kerbal Space Program, Stellaris, Reus, and SPORE™. We matched them by the tags players give Galimulator on Steam (Simulation, Sandbox, Strategy, God Game, and Space): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Kerbal Space Program
Shared: Simulation · Sandbox · Space

Stellaris
Shared: Strategy · Space · Sandbox

Reus
Shared: Strategy · Simulation · God Game

SPORE™
Shared: Sandbox · God Game · Simulation

Space Engineers
Shared: Sandbox · Simulation · Space

Game Dev Tycoon
Shared: Simulation · Strategy · Indie

Cities: Skylines
Shared: Simulation · Strategy · Sandbox

Planet Coaster 2
Shared: Simulation · Sandbox · Strategy

Banished
Shared: Simulation · Strategy · Sandbox

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

Mount & Blade II: Bannerlord
Shared: Strategy · Sandbox · Simulation

FTL: Faster Than Light
Shared: Strategy · Space · Indie

Universe Sandbox
Shared: Simulation · Sandbox · Space

RimWorld
Shared: Strategy · Sandbox · Simulation

SPORE™ Galactic Adventures
Shared: Simulation · Space · Sandbox

Ages of Conflict: World War Simulator
Shared: Sandbox · Simulation · God Game

The Scroll of Taiwu : Beyond The Dome
Shared: Sandbox · Strategy · Simulation

The Universim
Shared: Sandbox · God Game · Simulation

Hardspace: Shipbreaker
Shared: Simulation · Space · Sandbox

X4: Foundations
Shared: Simulation · Space · Sandbox

Two Point Hospital
Shared: Simulation · Strategy · Sandbox

Ultimate Epic Battle Simulator 2
Shared: Simulation · Sandbox · Strategy

Spacebase DF-9
Shared: Simulation · Space · Strategy