Top similar games like Idle Space War:

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).

Fight off a galactic threat in this idle clicker game. Battle waves of enemy ships, progress actively or passively, and save humanity. With over 200 high-quality ship models and background mode, watch your fleet soar across your desktop while you work!

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.

Void Inspector is a hands-on deep-space customs simulator. Operate heavy machinery, sweep vessels with tactical scanners, cross-reference paperwork, and deliver your verdict. Just remember: every switch you flip is billed to your account.

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 is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!

Run a coffee empire in space. Hire 33 alien workers, automate brewing across 6 decks, and ride the chaos of Rush Hour surges. Prestige resets unlock layered progression systems that'll keep you optimizing for weeks. Free to play, no paywalls.

Manage a colony of people who woke too soon from their cryo-sleep. Build and manage a working generation ship and hopefully one day the grandchildren of the first generation might land on a habitable planet.

Celestarium, an astronomy game where you start as an amateur astronomer. Discover and map planets, sell data to corporates, improve your gear, start your own space agency, manage your own missions, build and fly rockets to discovered bodies. Explore, prosper and expand your presence in space.

You're the intelligent electronics of a Mars mission. Four capable crew members. You are not one of them. Your job: keep them alive and happy, they're the only ones who can succeed. Built under the advice of real astronauts, engineers & planetary scientists, the big decisions are yours to make.

A story-driven incremental game with idle and auto-battler mechanics, inspired by Factorio logistics, Path of Exile itemization, and Eve Online's economy

Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.

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.

Embark on a cosmic odyssey as the director of your own space station in a galaxy full of wonders. Skillful management is vital as you construct and connect station components, oversee resource handling, and guide your space haven to reach new heights amidst the stars.

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.

An idle incremental adventure. Fight monsters, buy upgrades, recruit a party, craft equipment, join a faction, battle across different regions, and complete hundreds of rewards. Unlock a variety of fun features and use them to make your numbers go up!

Stunning sphere-themed idle/incremental game. Experience simplicity's beauty.

🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!

Build a retro-industrial space program, manage your launch base, assemble and upgrade the Columbiad, then manually guide each mission through atmospheric ascent, orbital insertion, lunar transfer, and recovery in a low-poly spaceflight management adventure.

A persistent online space MMO where you control a ship to harvest asteroids, trade at player-run structures, and fight inside star systems, either alone or with others.

A research spaceship reaches an abandoned planet. Nothing is what it seems here and the situation quickly slips out of control. Can the crew manage to survive and get back home?

Command a growing fleet in a free-to-play, persistent real-time space MMO. Pick one of twelve rival human factions, build your starbase, mine rare resources, research alien tech and wage war across a seamless universe, while an ancient alien Tide gathers at the edge of the Frontier.

Real-time strategy game with commander task control. Pilots-Mercenary, each with their own character, and many unique ships for them. Interesting missions. Base development, various technologies and space exploration.

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.

Build a team of Elite Secret Agents, and send them on dangerous missions around the globe.

'EOPN – Test RS' is a true screening test from the French Air & Space Force, turned into a sci-fi turn-based strategy game set in a nebulous future. Train for your selections or just enjoy the dive in this immersive experience where the goal is to take the best decisions to survive.

You've been sent ahead to establish a foothold economy for a future colony in deep space. Establish trade routes, buy supplies, and get the gears of industry turning before making landfall. The future of the colony is yours to decide.

A semi-idle space RPG where you command instead of pilot. Lead a fleet of up to five ships, mine and craft everything you fly, trade across 5,000 star systems and fight pirates, other captains and even mysterious races.

Synergize your fleet and fight your way toward the notorious Blackstar! Mercenary Galactic is a starship autobattler featuring rogue-lite elements and powerful fleet customization. Upgrade, recruit, and optimize your way through Velle and beyond.

You start with cold hydrogen and a dead clump of dust. Feed it, and the mix decides what ignites — 21 kinds of star, dwarf and collapsed body, none of them picked off a menu. Then send what you made into the ring with a God riding it, and knock rival bodies out of orbit.

Carbonflesh is an atmospheric time-management RPG lifesim with clicker and base building elements, in a theocratic-industrial cyberpunk world. Hack, train and break free from the prison train you were left to rot. Make your comeback and reclaim the legacy you were cheated out of- no matter the cost.

Take on realistic space missions, manage your economy, and explore the solar system. Build and expand your space center on Earth, accept contracts, and launch satellites into orbit. Research, adapt and collect valuable scientific data to commence your growing aerospace empire.

An idle clicker where you grow one small planet into a galactic empire. Click Earth, colonize living worlds across star systems, build Dyson Spheres, catch comets and reset reality with the Big Bang. Your civilization keeps producing even while the game is closed.

Explore space: Colonize different planets, gather valuable resources, and build your own space colony. Travel the solar system and even create your own planet. Your decisions shape the future of the galaxy in this limitless space adventure.

Sirens blare, the instruments lie. Dynamite Day is a co-op thriller inside a missile-defense bunker: in minutes, tell a real attack from the spies' lies and decide whether to launch the counterstrike. Co-op for up to 6 players. One mistake - and humanity is dust.

You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?