Top similar games like Galactic Simulator:

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

The player takes on the role of a grandchild who arrives at the apartment of their recently deceased grandmother. Like many from the older generation

My Little Cosmos is a light idle clicker game that runs quietly in the background. Keyboard input and mouse clicks from everyday computer use automatically drive the evolution of a universe, with inventory rewards dropping over time.

An idle management game about discovering planets, building colonies, crafting equipment, collecting ships, growing an interstellar economy and joining fellow captains online. Includes an optional companion mode to keep track of your progress.

Harvest energy across the solar system. Build generators on alien worlds, prestige for Dark Energy, and construct a Dyson Sphere around the Sun. Ten planets. Infinite power. One way home.

Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, build stargates, and discover other civilizations as you explore an ever-evolving galaxy.

Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.

Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.

Watch as stars battle for control of a simple simulated galaxy. Each star belongs to a faction, indicated by its color, and combat happens automatically between neighboring stars. Your role is to observe the dynamic battlefield as stars change ownership.

In "Space Mechanics: Repair | Hiring | Craft" you are the owner of a space repair station in which you have to work. Repair spaceships, get money for it, hire them and create items for sale or for your own purposes.

An idle desktop game featuring a minimalist MMO approach. Nurture your civilization, defend your planet from threats, and steer its evolution. Develop new technologies to explore the vast universe and connect with.

Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!

Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!

Open your own pub with The Pub Life and keep your customers happy with refreshing drinks and great service. Enjoy this cozy and detailed simulation experience solo or with a friend. Level up, unlock higher quality beverages, and expand your pub to create the most popular spot in town!

A Game About Getting Bigger is a loot-driven incremental game about feeding a growing black hole. Destroy celestial bodies to make the black hole at the center grow larger and larger.

A physics based incremental game about scrapping junk to collect scrap and components. Build machines and buy powerful upgrades to become more efficient.

MOSS Becoming Human is an AI science game where players develop and deploy AI agents to build a Martian civilization. Customize, evolve, and test AI in various modes, shaping diverse outcomes. Agents can also interact with the real world, including social platforms like X.

Age of Axiom is an atmospheric incremental game that combines satisfying "number-goes-up" progression with an unraveling sci-fi mystery. 

Optimize your loop. Cut, connect, and duplicate complex nodes to build an ever-expanding automated network in this chill incremental idler. Purchase powerful upgrades, unlock permanent skills, and push your system to its absolute limits.

An idle incremental adventure in space! Mine asteroids while fighting off enemy AI drones. Build your own AI drones, mining lasers, helper drones and more. Collect hundreds of rewards and unlock a variety of features that will help your ultimate goal: making numbers go up (or sometimes down).

Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.

Mowing lawns has never been this much fun! Relax with your friends in online co-op, upgrade your equipment, shape beautiful gardens, and enjoy the experience. Join the fun with 1-4 player co-op!

Idle Space War is an idle space simulation game where you upgrade your spaceship, explore distant planets, and collect resources. Progress continues even when you’re offline. Customize your ship, develop strategies for unique planets, and enjoy a relaxing yet engaging interstellar adventure.

Start your own pub, serve drinks, and keep your customers happy. Unlock better beverages as you level up, expand your pub, and become the most beloved spot in town!

A first person building game where every problem is solved with pipes.

Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.

Board your ship and push the boundaries of space exploration in this contemplative space incremental. Gather resources, develop your technology, and travel from the Moon to the edge of the solar system to answer a mysterious signal from the stars.

A multiplayer, tactical, real-time strategy with spaceships

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!

Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.

The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.

Explore, scan, and conquer an unknown world. Deploy rovers, uncover hidden resources, and build a fully automated colony that must survive, adapt, and scale.