Space incremental games
83 hand-tagged games, ranked by live Steam and Galaxy ratings.

Unnamed Space Idle
A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.
92% steam4.5★ galaxy70% idle
Space Rock BreakerUpdated
Blast asteroids with guns and lasers, then drop the ore through an upgradable Plinko board for credits to spend on a large skill tree.
96% steam
SpaceplanComplete
A stranded ship, a potato, and a soundtrack that makes the finale land. A short, focused story idler.
91% steam1–3h ending30% idle
To The Core
Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.
93% steam
The Last Cat in the Universe
As a space station AI, sweep your cursor over debris to salvage parts and build a warm home for the last cat, in a short story meant for one or two sittings.
94% steamhas ending
Human-powered spacecraft
A stranded colonist cranks a dynamo by hand to repower a ship, upgrading toward potato farms and antimatter with a sarcastic computer.
93% steam
Deep Space Cache
Shoot asteroids for resources, feed them into generators and ship augments, and reach the finish in a couple of hours.
93% steamhas ending50% idle
PROFITS 2167: Planetary Resource Optimization & Freight Infrastructure Technician Simulator
Drive a mining train by hand between stations, defend against alien insects and reinvest profits into upgrades and delivery drones, satirizing tech startups.
98% steamhas ending25% idle
Far Mining
Pilot a ship that auto-fires at nearby asteroids, then spend the haul on a large tech tree to escape deep space. A short run of about three hours.
95% steamhas ending
Vanguard Galaxy
Fight, mine, salvage and trade across a procedural galaxy, played full screen or docked on your desktop with an autopilot that can run things.
90% steam50% idle
Astro Prospector Prologue
A bullet-heaven incremental where you mine coffee asteroids, fight SpaceCorp and upgrade your ship. This build is an early prologue.
4.6★ galaxy
Angel Legion
A 3D hero-collection RPG where resources build up automatically. Recruit and dress a roster of angels across three warring space factions.
85% steam70% idle
Universe Horizon
Fly a small ship outward from Earth, collecting resources from each body you pass and upgrading speed past light, across 16+ upgrade tabs, skill trees, and challenges.
94% steam50% idle
Space industrial empire
Lay out flat conveyor lines for mining, smelting and research, then build warships to take other planets.
87% steam70% idle
Astrodle
Shoot blobs in space for Zodiac essences and upgrade your ship on a path to godhood. Both modes have a clear finish reachable in about a day of active play.
91% steamhas ending
Galactic Mining Corp
Drill alien planets for loot, then grow an HQ with a quirky crew, new drill parts and a large perk tree. A roguelite sequel to Geo.
84% steam
SPACE / MECH / PILOT
Pilot a mech through space, defeating foes for XP and bigger numbers in a tongue-in-cheek idle RPG clicker.
85% steam
Void Miner – Incremental Asteroids Roguelite
Pilot a ship and an automated tower through asteroid fields, shooting rocks for resources that feed an upgrade tree between runs.
83% steam
The Galactic Tree
A space-themed Prestige Tree mod with around ten hours of layered progression, hidden secrets, and content that continues past its end into Infinity.
4.2★ galaxy
Feed the Reactor
Feed fuel into a reactor, combine exotic elements for energy, and loop through prestige-style resets to learn the reactor's purpose across multiple endings.
82% steamhas ending
Code: Terraform
Write Python-like scripts to run rovers, power grids, smelters and drone fleets on a frozen alien world, with your code working while you plan.
83% steam
Transport Defender
Guard a cargo ship from boarding waves with a turret and auto weapons, scripting auto upgrades and auto ascension for long idle runs.
80% steam70% idle
NG Space Company
A space incremental about mining resources, exploring between stars and conquering systems.
4.2★ galaxy
Universe Shrinker
Buy shrinkers that divide a universe's size each second, then move on to shrinking ever larger things on the way to the Heat Death.
4.1★ galaxy
Lazy Galaxy
Lead a lazy alien race: grow your base idly and either take direct control in RTS battles or let the ships fight alone. Achievements unlock permanent research.
80% steam50% idle
Lazy Galaxy 2
Command a lazy alien race conquering galaxies through base building and fleet battles, turning combat experience into candy. Battles can be micromanaged or left to run.
80% steam50% idle
Farlands: Tiny HarvestUpdated
A space farmer on your desktop plants and harvests on his own, powered by your clicks and keystrokes. Spend credits upgrading his crops, tools, home and ship.
78% steam90% idle
Lost in SpaceDormant
A stranded astronaut turns energy into matter with a 3D printer, where every click uses oxygen, racing to escape.
4.0★ galaxyhas ending
Atomic Star
Make stars and vortexes in a lighter-on-text mix of The Modding Tree and The Clock Game.
4.0★ galaxy
SporbsUpdated
Hover over alien organisms to harvest them without clicking, feed a fuel factory, and work through a 170-node skill tree toward a ride home.
77% steam4.1★ galaxyhas ending
Hamstronaut
Spin a hamster's wheel for power, sell it, and build a rocket to fly him to a moon he thinks is cheese. A family-made jam game.
4.2★ galaxy
Galaxy Idle Clicker
Upgrade a spaceship to conquer over 5,000 areas across seven universes, with four reset systems, four minigames and offline farming.
74% steam75% idle
Dronord
Play as a crash-landed drone with damaged systems, mining resources and slowly repairing yourself.
3.9★ galaxy
Intergalactic Juice BarComing soon
Swing a knife on a rope with physics to slice fruit into ever smaller pieces, then upgrade factories and travel to new galaxies.
3.9★ galaxy
Idle Space Raider
Patrol space as a station guard, mining ore and fighting in raids, then upgrade your ship and station. Toggles automate most systems, and a stargate opens a second reset tier.
74% steam70% idle
Planet No MoreComing soon
Bombard 3D planets until they crumble, sweep up the debris before fuel runs out, and destroy each core to unlock the next body.
3.9★ galaxy
Stellar Lumen LEGACY
The reinstated legacy build of a 2023 incremental mod, kept around with occasional fixes.
3.8★ galaxy
Black Hole Shrinker
Shrink a black hole through Hawking radiation to collect quarks.
3.7★ galaxy
Planetidal
An idle game about planets, universes, and realities, growing numbers to enormous size.
3.6★ galaxyIdle Planet Miner
Mine planets, smelt ore, craft, sell. A tidy mobile-first production chain.
80% idle
Space CompanyDormant
Mine, power, research, and expand into the stars. A classic resource-chain idler from the golden age.
70% idle
The Limitless Journey
Start with a single cursor and push your point count toward 1e200 as you travel across a vast universe.
3.6★ galaxyhas endingIdleSpaceDormant
A space combat idle game where you design ships and send fleets into automated battles.

IdleSpace 2Dormant
The successor to IdleSpace, an idle space game of fleet building and automated battles.

Starvester
Send drone swarms to mine a star system and grow a factory that builds megastructures, with prestige along a roughly five hour campaign.
69% steamhas ending25% idle
Dark Forest VillageDormant
Grow and defend a village against hostile outside forces, with the long-term aim of leaving for the stars.
3.5★ galaxy
Ember Folks
Build a city and pile up wealth to help the Ember Folks rekindle a fading star.
3.7★ galaxy
Orebital DynamicsUpdated
Run a deep-space mining platform whose drills fire lasers at lanes of ore, upgrading and automating while hazards reshape the field.
3.5★ galaxy
Space Loop Protocol
Trapped in a time loop aboard a research ship, train five stats each cycle before the oxygen runs out, then queue activities.
3.4★ galaxy
Cosmic CollectionDormant
Poke a black hole to pull collectible cards, chasing rare finds and unlocking fun facts along the way.
3.4★ galaxy
Void SalvageUpdated
An FTL-like ship sim with pick-one-of-three rewards and choice encounters, where you combine SYSTEM parts and fit SOCKET INSERTs.
3.1★ galaxy
BubbleverseDormant
Grow bubbles in a tiny universe, click them to collect cash, and spend it on upgrades.

Stardust TycoonUpdated
Mine stardust by clicking, buy auto-miners from drones to black holes, and prestige for a permanent production bonus.

Nanotrasen SimulatorUpdated
Play an AI running a simulated Nanotrasen station in a text-heavy idle game set in the Space Station 13 universe.

MassDormant
Generate mass and spend it on increasingly expensive planets to build out a solar system.
Solar ColonyUpdated
Click to launch payloads from the Moon's mass driver, timing the orbit to reach Mars, Venus or Mercury and slowly colonize the inner solar system.

TerraGenesis - Space SettlersUpdated
Terraform real and fictional planets using NASA data, building habitats and choosing among four factions.

Idle Dot Shooter!Updated
A minimalist shooter where a turret fires on its own at drifting dots while you buy defence, drone, and economy upgrades and push into tougher galaxies.

Doge Miner - Doge Coin ClickerDormant
Click a giant dogecoin, buy diggers and machines to mine faster, then head to the moon and beyond for new upgrades in a meme-themed clicker with no end.

ExoMiner - Idle Miner UniverseUpdated
Start with one small mine and a ship, then expand to other planets, crafting materials and inventing tech while miners and rovers work in your absence.
75% idle
Planet Smash : Idle WarsUpdated
Destroy planets with missiles that fire on their own or with taps for speed, upgrading elemental weapons and collecting coins earned offline.
50% idle
Galaxy Defense: Fortress TDUpdated
Build and combine turrets to protect Earth from aliens, picking roguelike upgrades mid-battle and powering up your character with chips.

We Are Illuminati: UFO ClickerUpdated
Spread a secret society's influence through mind control and hidden messages, then take the conspiracy to two more planets.

Mega Tower - Casual TD GameUpdated
Merge and modify towers in a sci-fi tower defense that fights on its own but lets you aim manually.
50% idle
Astro BuilderUpdated
Build a space station in orbit, turning materials from a space elevator into platforms and new equipment.

Human Evolution - Idle ClickerDormant
Tap to drive life from single cells through fish, apes and humans to cyborgs and beyond, then seed evolution on other planets.
25% idle
Rocket Star: Idle Tycoon GameUpdated
Run a spaceship factory, research new tech and launch rockets toward the Moon, Mars and outer planets while your staff keeps earning in your absence.
75% idle
Idle Space Farmer ManagerDormant
Run an anime-styled space farm, recruiting agents from gacha pulls to fight monsters and upgrading ships across planets with prestige.
75% idle
Idle Pocket PlanetUpdated
Combine settlements and ships on small planets to build new constructs, colonizing strange galaxies and filling a journal with artifacts.

How To Grow a Black Hole
Feed a black hole to gain mass, research automation and avoid collapses, comparing its size against real objects and global leaderboards.
67% steam
Mining Guild IdleUpdated
Mine ore on an empty planet and load cargo ships to sell it off-world. An expanded follow-up to an earlier prototype.
2.5★ galaxy![rock[et] cover art](/art/rock-et.webp)
rock[et]Coming soon
Break asteroids for minerals after crash-landing on an alien world, picking from a cast of characters with unique skills to build runs and repair your ship.
3.2★ galaxyhas ending
IUG: Revived
Grow a universe to enormous sizes across two prestige layers. A faster remake of Incremental Universe Growth.
3.0★ galaxy
Space Travel Idle
Fly from Earth to distant moons and stars, researching engine tech, cutting ship weight and settling each world, with light card battles.
63% steam70% idle
Darkzone: Idle RPG
A multiplayer idle RPG about space bounty hunters with auto turn-based combat, deep gear crafting, guilds, seasons, and live co-op boss raids.
62% steam70% idle
Cosmic ForgeUpdated
Start from hydrogen atoms, research tech, mine asteroids for antimatter and find megastructures as you conquer the star map and head home.
3.0★ galaxyhas ending25% idle
Vostok Inc.
A twin-stick shooter where blasting asteroids and enemies funds mines and businesses on 40+ planets that keep paying out, plus managers and retro minigames.
61% steam
Universe Explore
A touch-friendly game that begins like Space Company and expands into fleets, artifacts and late-game machines.
2.8★ galaxy
Stellar Evolution: TMT
A very long Modding Tree game with four reset layers and heavy timewalls; late upgrades can take days, and full runs have taken months.
2.8★ galaxy
Celestial ForgeUpdated
Generators orbit a core and fire mass into it to build worlds, then you forge stars to earn relics.
2.4★ galaxy
PLANETS OF WARDormant
A 15-minute clicking adventure about fending off an alien invasion of Earth.
59% steamhas ending
Idle Expanse
Run a greedy corporation that equips mercenary squads and sends them to 64 alien planets for resources, setting their tactics and researching a time skip.
55% steam
Space Colonizers Idle ClickerUpdated
Upgrade a spacecraft to find new planets for humanity, using black holes as shortcuts and meeting alien species along the way.
45% steam