60+ similar titles based on shared tags and player behavior. Themes include Simulation, Strategy, Singleplayer, Space Sim.
In 方块战舰：Module Warship, you command the fleet and design the ships.This 2D space sandbox rejects pre-set hulls, offering extreme DIY freedom instead. Assemble dozens of functional modules to craft your ultimate warship from scratch, then lead your custom fleet to conquer the unknown depths of space.
Gravitation
Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.
Starnova Aerospace
As the CEO of a spaceship design company, arrange blocks with different modes and functions to build powerful ships. Use resources from battles to upgrade blocks and acquire new ones through supplies. Strategically enhance your ship to maximize performance and defeat competitors.
Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.
Why similar: Space Sim 32.7%, Simulation 18.2%, Strategy 17.3%, Sandbox 12.1%, Casual 12%
As the CEO of a spaceship design company, arrange blocks with different modes and functions to build powerful ships. Use resources from battles to upgrade blocks and acquire new ones through supplies. Strategically enhance your ship to maximize performance and defeat competitors.
Why similar: Space Sim 31%, Simulation 18%, Strategy 16.5%, Wargame 15.6%, Casual 6.5%
Command a deep space rescue operation in this space management game, where you manage a fleet of ships, build bases, coordinate resources distribution, and explore uncharted planets to find and save the scattered crew of the ISS Celestia.
Why similar: Grand Strategy 33.1%, Space Sim 27.6%, Simulation 15.8%, Strategy 14.6%, Space 4.3%
Play a grand strategy game in any world you want, on land or in space. Import real maps, play a procedurely generated world, or hand-draw your own fictional universe. Then lead your faction to domination by managing its economy, diplomacy, and military.
Why similar: Grand Strategy 32.5%, Space Sim 15.2%, Wargame 12.3%, Strategy 10.2%, Sandbox 10%
Draw trade lanes across a single seamless universe drawn in symbols and lines, and let your ships mine, haul and sell on their own. Chase the materials you lack and the regions you want, push your network outward, and hold the lanes against pirates.
Why similar: Space Sim 28.5%, Idler 16.2%, Sandbox 13.9%, Strategy 12.6%, Simulation 10.6%
A dead god drifts in the dark. Build a salvage fleet that carves it apart cell by cell, and watch a colossal carcass melt into a storm of flying debris and climbing numbers. Strip it to the bone then evolve and start again on something bigger.
Why similar: Space Sim 32.3%, Simulation 15.5%, Idler 13.6%, Casual 10.1%, Strategy 8.7%
Build stations above picky planets, match modules to what the locals actually want, and grow a trade empire that earns while you're away. Court the factions or cross them on the road from your first rattling fusion can to a megastructure that tames a black hole.
Why similar: Space Sim 31.1%, Simulation 16.1%, Strategy 15.5%, Idler 11.1%, Casual 10.5%
Hearth & Shadow - is a card-based strategy game where you develop your settlement and defend it from monster invasions. Try different combinations, unlock new buildings and outposts, or upgrade them, and monitor your settlement's and defenses to defeat the monsters and save your human settlement!
Why similar: Grand Strategy 41.8%, Strategy 19.8%, Casual 13.1%, Deckbuilding 8.6%, Simulation 6.7%
A casual-yet-deep idle simulation & auto-battle adventure RPG where players awaken as a destined warlord, freely conquering the chaotic Three Kingdoms era Collect legendary generals and divine artifacts through idle battles, transforming rare treasures into the foundation of your hegemony!
Why similar: Grand Strategy 32%, Idler 18.6%, Simulation 17.1%, Strategy 16.4%, Wargame 13.1%
The Stars Are Never Still is a 2D space sandbox. Shape a galaxy and watch 16 unique races colonize, trade, ally, betray and wage war. Observe, or intervene with technology, aid, discord, disasters, new life—even black holes. Chronicle millennia of history. No set goals. No empire lasts forever.
Why similar: Grand Strategy 22.4%, Space Sim 15.3%, Sandbox 13.1%, Simulation 12.6%, Idler 11.4%
Create your own carrier fleet, explore the universe, and destroy enemy ships with style!
Why similar: Space Sim 25.7%, Simulation 16.1%, Strategy 15.4%, Wargame 14.6%, Casual 11.5%
You are neither a general nor a soldier — you are a Stellar Industrialist. To you, peace is nothing but shutdowns and losses. Venture to the frontlines, strip battlefields for wreckage and salvage, turn spoils into resources, and expand your interstellar arms empire.
Why similar: Space Sim 23.4%, Grand Strategy 19.6%, Wargame 12.5%, Strategy 8.7%, Simulation 8.3%
Mine asteroids, trade minerals and chart an endless, procedurally generated galaxy in a relaxed 2D space sim. Then pin it to your desktop as a live wallpaper: your ship keeps flying, mining and discovering while you work
Why similar: Space Sim 37%, Simulation 18.3%, Idler 15.5%, Casual 12%, Minimalist 5.9%
Gods of Havoc heralds a return to the classic God-Game: watch as your worshippers spread across the galaxy; guide their destiny through dreams; shape their worlds with magic; destroy their enemies with devastating spells; and manipulate space for their advantage! An intense and cunning strategy game. Part of the 'Gods of Havoc' Trilogy!
Why similar: Grand Strategy 23%, Space Sim 20.6%, Strategy 18.8%, Simulation 18.7%, Casual 11.2%
An absurd incremental clicker — click goats, trigger nuclear chaos, automate production, and ascend through galaxies in a multiverse of upgrades and detonation-driven mayhem.
Why similar: Grand Strategy 38.4%, Simulation 18.7%, Strategy 17.8%, Casual 12.3%, Minimalist 6.2%
In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.
Why similar: Wargame 23.3%, Grand Strategy 22.3%, Space Sim 22%, Strategy 10.9%, Simulation 8.6%
Galactic Simulator 3 is a space exploration and evolution sim inspired by the Fermi Paradox and Great Filter theory. Scan uncharted star systems, gather resources and samples, establish outposts and stargates, and witness the rise and fall of civilizations across an ever-evolving galaxy.
Why similar: Space Sim 34.4%, Idler 16.7%, Simulation 13.1%, Sandbox 11.2%, Strategy 10.3%
Take the reins of the newly founded Office of Interstellar Production, annex newly discovered star systems, mine resources and refine quality components to build mighty warships to deliver to the unceasing needs of the Navy. A chill sandbox resource management game.
Why similar: Space Sim 34.6%, Simulation 18.7%, Idler 16.7%, Resource Management 8.6%, Sandbox 7.5%
Relax and sit back as you create mesmerizing particle reactions and become a source of infinite power.
Why similar: Simulation 23.9%, Strategy 22.7%, Idler 18.7%, Casual 15.8%, Minimalist 7.1%
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.
Why similar: Space Sim 31.8%, Idler 16%, Sandbox 14.6%, Simulation 11.1%, Casual 7.6%
Project Monster is a tower defense game with Roguelite elements. Summon monsters and defeat them to fight off incoming enemies. Evolve monsters with loot and gain items to strengthen them.
Why similar: Grand Strategy 42.2%, Wargame 21.7%, Strategy 19.3%, Roguelite 10.3%, Pixel Graphics 3.4%
A laser-powered factory game where every machine, mirror, and beam can break everything—usually because of you. Build, optimize, and embrace the chaos. If you want to build mega structures with complex networks of unique machines... with flippin lasers then Laser_Inc is for you.
Why similar: Grand Strategy 37.9%, Simulation 17.7%, Strategy 16.3%, Idler 13.6%, Minimalist 5.5%
Make the Reds side triumph to save the Soviet Proletarian revolution, or, on the other side, lead the Whites side to victory in order to place the old regime back in power and protect the countries of Europe from the perils of the revolution. This is the biggest civil war game you will ever play!
Why similar: Grand Strategy 31.7%, Strategy 25.4%, Wargame 22.5%, Simulation 19.5%, Singleplayer 0.8%
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 36.3%, Simulation 20.1%, Strategy 18.9%, Sandbox 16.2%, Space 6.9%
2D Hard core, Hex & Chit, Turn Based Wargame with A.I. or Hotseat. Move units or stacks around, attack using all the info from live database and unit breakdowns. set your battle objectives in the battle report. A detailed Editor effect live game systems
Why similar: Grand Strategy 47.9%, Wargame 24.6%, Strategy 24.6%, 2D 2.9%
Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.
Why similar: Space Sim 35.1%, Simulation 20.2%, Sandbox 15.2%, Strategy 12.7%, Building 6%
这款游戏邀请您来到精彩刺激且充满变革的东汉末年三国时代，以前所未见的自由、深度及历史真实性，进行称霸天下一统中原的征程。
Why similar: Grand Strategy 56.4%, Wargame 21.3%, Strategy 15.4%, Simulation 4.6%, Singleplayer 1.1%
Travelers in Space Crack is a survive game in deep space. Explore in different galaxy through space cracks. To find and gather useful resource, to trade and make money are all important to develop your own fleets. And only through build massive fleets, you triumph over the unknown evil forces.
Why similar: Space Sim 35.1%, Simulation 19.7%, Wargame 19.2%, Strategy 18%, Space 4.7%
魔物警戒是一款策略回合制游戏. 玩家需要建造建筑,设施,购买战斗单位来抵御敌人的进攻.
Why similar: Grand Strategy 35.4%, Strategy 19.9%, Wargame 19.4%, Voxel 17.1% ★, Casual 3.7%
Build a company from the ground up and scale it into a global economic empire. Manage production, logistics, real estate, stocks, commodities, and finance in a deep, open-ended sandbox where every decision shapes your growth.
Why similar: Grand Strategy 41.8%, Simulation 21%, Strategy 19.2%, Sandbox 13.9%, 2D 2.7%
Set in the Three Kingdoms period of late Eastern Han China, the game History of Kingdoms: Three Kingdoms aims for players to choose from various competing warlords, unify the divided world, survive, and become the ultimate victor.
Why similar: Grand Strategy 43.3%, Wargame 21.3%, Strategy 20.7%, Simulation 6.2%, Resource Management 4.4%
Build a crypto mining empire from a single garage rig. Hand-pick real-world hardware, overclock for every last hash, manage heat, power, and debt, then ride a brutally realistic market from spot trades to a full data center. One bad bet from bankruptcy.
Why similar: Grand Strategy 41.3%, Simulation 18.8%, Idler 14.4%, Sandbox 13.9%, Minimalist 5.1%
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
Why similar: Space Sim 35.6%, Simulation 23.8%, Strategy 16.5%, Space 11.7%, Sandbox 11.3%
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Grand Strategy 29.8%, Space Sim 26.2%, Wargame 16.1%, Simulation 9.5%, Strategy 9.4%
Command a UGA heavy cruiser against the Krellan Empire. Navigate space, manage resources, and coordinate defense strategies. Use starbases and outposts to protect colonies while engaging in tactical ship combat. Your decisions will determine the fate of sectors in this military space simulation.
Why similar: Space Sim 42.6%, Wargame 23%, Strategy 20.3%, Simulation 8.4%, Pixel Graphics 3.9%
Engage in the construction of your station from a variety of different modules. Create your space fleet. Protect your base from enemies...
Why similar: Grand Strategy 21.3%, Space Sim 19%, Strategy 17.4%, Simulation 17.3%, Sandbox 9.1%
Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.
Why similar: Space Sim 45.4%, Simulation 24.4%, Strategy 18.8%, Space 9.5%, Singleplayer 0.9%
Develop your computer empire, control costs, and increase profits. Decide whether to develop hardware in-house or purchase it, and whether to prioritize cost-effectiveness or pursue higher profits. The choices are all up to you.
Why similar: Grand Strategy 34.7%, Simulation 18.2%, Strategy 16.9%, Idler 12.5%, Casual 11.9%
A simulation sci-fi game where players take on the role of the project manager of a space elevator project. They will progressively achieve project phase goals and ultimately accomplish the ultimate goal of constructing a Mars colonization spacecraft.
Why similar: Space Sim 41.4%, Simulation 23.6%, Strategy 21.5%, Space 7%, Building 5.7%
12 characters, countless choices, and an identity shaped by your decisions. EGO X The Truth remembers what you say; contradict yourself and your character may suffer, lose their sanity, and see reality begin to fracture.
Why similar: Grand Strategy 45.1%, Simulation 24.3%, Strategy 22.3%, Casual 4.2%, 2D 2.6%
A turn-based strategy game with branching visual novels — and the tools to build your own. Wage war, forge alliances, and let every choice reshape the story. The bundled editor lets you author factions, characters, events and novels, tune the rules, and swap the map. It doesn't have to be Japan.
Why similar: Grand Strategy 38.4%, Strategy 19.2%, Wargame 18.9%, Sandbox 14.9%, Simulation 5.5%
Choose your own adventure in this open-world humanity expansion space simulation. Travel beyond the constellations to new frontiers. Explore, collect resources, supply the expansion efforts, or go battle it out spaceshooter style. Do we seek Galaversal Supremacy or peace? You decide !
Why similar: Grand Strategy 30.9%, Space Sim 26.3%, Simulation 9.1%, Strategy 8.7%, Sandbox 8.2%
Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!
Why similar: Space Sim 34.6%, Simulation 23.3%, Sandbox 18.1%, Space 10.4%, Casual 9.3%
Build your fortune in a living medieval kingdom. Establish shops, manage caravans, master a dynamic economy, and outmaneuver rival merchant houses in single-player or competitive multiplayer as you build the realm's greatest trading empire.
Why similar: Grand Strategy 39%, Simulation 18.2%, Strategy 17.5%, Casual 11.9%, Roguelite 7.4%
The endless expanse of space has never been such a dangerous place. Take command as a Space Fleet Admiral who will face the challenge of galactic war and determine the fate of the universe.
Why similar: Space Sim 40.1%, Strategy 20.8%, Simulation 18%, Wargame 16.9%, Space 3.5%
A fast-paced 4X galaxy you can actually finish. Expand by colonising and besieging rival worlds, wield government powers that bend the rules - freeze enemy fleets, sever hyperlanes, vanish into stealth - and race rivals to claim the galactic core. A grand-strategy empire in an evening, not a month.
Why similar: Grand Strategy 36.6%, Strategy 17.3%, Space Sim 17.1%, Simulation 11.5%, Wargame 8.3%
Build and manage your own railway empire. Buy trains, create services, expand the network, and grow from a single branch line. Map your own routes, or play across the real UK rail network and beyond.
Why similar: Grand Strategy 37.2%, Simulation 17.2%, Strategy 16.3%, Casual 11.3%, Sandbox 11%
Build an industrial base among the stars. Gather resources, manufacture ships, research technologies, and explore unknown regions of space. The core gameplay can be played offline, while alliance features add online missions and cooperative construction.
Why similar: Space Sim 40.2%, Idler 16.1%, Simulation 12.7%, Strategy 12.3%, Resource Management 8.3%
It's late 2022 and the AI race just started. Train models with real personalities, fill the map with datacenters, survive the scandals, and get to superintelligence before the rival CEOs who trash-talk you on social media.
Why similar: Grand Strategy 41.3%, Simulation 19.3%, Strategy 17.8%, Sandbox 13.9%, Resource Management 4.4%
Evil A.I. Space Bots are attacking Earth, You and Your team of Good A.I. Bots must stop them !
Why similar: Space Sim 45.3%, Simulation 24.9%, Bullet Hell 19.7%, Space 9.1%, Singleplayer 1%
宇宙探索，在浩瀚的宇宙里，人类正在探索了解宇宙，以获得对宇宙的更多认知，促进人类的发展强大，抵御未知宇宙生物的侵略，然而，外星人得知这一消息 ......
Why similar: Simulation 29.3%, Strategy 28.4%, Space Sim 19.8%, Casual 18%, Space 4.5%
--ICE! is a game of iceCubes--
Why similar: Grand Strategy 53.1%, Idler 20.3%, Casual 15.9%, Minimalist 9.7%, Singleplayer 1%
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Why similar: Space Sim 45.3%, Simulation 23.5%, Sandbox 19.9%, Space 7.2%, 2D 2.4%
Space Strategy. A mix of tower hold games and role-playing action.
Why similar: Grand Strategy 31.8%, Space Sim 31%, Simulation 18.4%, Strategy 17.6%, Indie 0.6%
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 39.5%, Simulation 23.5%, Sandbox 17.5%, Casual 14.8%, 2D 2.8%
Reclaim the Silver Peak with a party of four. A turn-based hex tactics RPG that's easy to learn and deep to master — read terrain, range, and skills to turn back an advancing army of the dead.
Why similar: Grand Strategy 47.5%, Simulation 25.4%, Strategy 23.1%, 2D 3%, Singleplayer 1%
Fly an Apollo-style lander around various planets, landing to earn points and then redocking with the command module to advance to the next level.
Why similar: Simulation 33.3%, Space Sim 33.3%, Casual 20%, Space 8.3%, Indie 3.8%
Netdreams Sudoku is the classic sudoku game that offers you many hours of entertainment playing between different levels of difficulty, from beginner to expert, Netdreams Sudoku is the perfect game for all players.
Why similar: Grand Strategy 54.8%, Strategy 20.3%, Casual 10.5%, Minimalist 6.3%, 2D 3.5%
Deep geopolitical strategy, sandbox. Engage in political processes that are realistic from the perspective of political theory - conduct comprehensive hybrid and military operations within global processes. Develop a leader and respond to historical events.
Why similar: Grand Strategy 66.4%, Strategy 17.4%, Wargame 14.8%, Singleplayer 1.4%
