Idle Deepcore
Run a growing mining operation from a single drill to a spacefaring industry, one upgrade at a time.
86% of 454 Steam reviews are positivePlayers online now: 58$4.89
Games like Space Builder Idle
If Space Builder Idle scratched a relaxing and minimalist itch for you, keep reading. These games are a good place to start.
Planet Factory
A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!
Relaxing, Minimalist
86% of 28 Steam reviews are positive$0.99Space Architect
Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom. A cartoony colony and automation sim where every run plays out differently.
72% of 307 Steam reviews are positivePlayers online now: 24$1.79Planet Escape Idle
An idle factory-builder where you mine, smelt, manufacture, and research your way up a deep production chain while defending your base from a growing threat, then choose between two permanent endings to escape or end it all.
Relaxing, Minimalist
$4.99Desk Space: Idle Spacefleet clicker
Grow your fleet of spaceships in this incremental space game. Mine asteroids and trade with stations, unlock upgrades to make more money, deploy pirates, and unlock [REDACTED]. Pin to your desktop and watch your empire grow while you do "more important" things.
Relaxing, Minimalist
68% of 131 Steam reviews are positivePlayers online now: 2$5.99Widget Inc.
The world ended, and Widgets are all that is left to save it. Build a country-sized factory by hand, then automate it, tier by tier, until a rocket is ready. A laid-back pixel-art factory builder with no combat, no timers and plenty of numbers going up.
Relaxing
84% of 767 Steam reviews are positivePlayers online now: 42$2.49Idle Factory
Idle can also build your industrial empire.
Relaxing
56% of 39 Steam reviews are positive$4.99Final Upgrade
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
75% of 441 Steam reviews are positivePlayers online now: 4$19.99Unnamed Space Idle
Unnamed Space Idle is a long sci-fi idle game about holding back alien waves after humanity is nearly wiped out. You fit your ship with weapons and defenses for specific enemies, then stack up 10+ growing systems that feed your power. Its strength is steady, thoughtful tinkering with real choices. Good for patient optimizers.
Relaxing
92% of 4,599 Steam reviews are positivePlayers online now: 4,479FreeHorizon Idle
A space-themed idle RPG of skilling and crafting. Mine, refine, research, and automate your way from a lone ship to an industrial empire. Level skills to 100, engineer your fleet for auto-battler combat, and Warp to prestige. No energy gates, just numbers that climb forever.
Relaxing
83% of 6 Steam reviews are positivePlayers online now: 1$4.50Starvester
Starvester is a short incremental game about turning a whole star system into one big factory. Send out drones, mine planets, unlock upgrades and build giant megastructures, all at an unhurried pace. It runs about five hours, so it fits a relaxed afternoon of quiet numbers going up.
Relaxing, Minimalist
68% of 823 Steam reviews are positivePlayers online now: 15$6.99Deep Space Idle: Frontier Era
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.
Relaxing
48% of 56 Steam reviews are positivePlayers online now: 45$1.99Space War Economy Idle
A story-driven incremental game with idle and auto-battler mechanics, inspired by Factorio logistics, Path of Exile itemization, and Eve Online's economy
Relaxing
67% of 9 Steam reviews are positive$4.99
Hidden gems like Space Builder Idle
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,446 Steam reviews are positivePlayers online now: 106$19.99
Factory Town Idle
Grow a small fantasy town by putting workers to work, crafting goods and trading them for steady, satisfying growth.
90% of 1,247 Steam reviews are positivePlayers online now: 42$1.24
Widget Inc.
Turn a handful of Widgets into an automated, country-spanning production line, one calm tier at a time.
84% of 767 Steam reviews are positivePlayers online now: 42$2.49
Space industrial empire
Click mines and smelters into place, research new tech and grow a single production line into a fleet that conquers planets.
85% of 1,024 Steam reviews are positivePlayers online now: 47$5.99
Galaxy Idle Clicker
An idle space game that keeps running while you are away, then hands you astronomical numbers when you check back in.
74% of 1,228 Steam reviews are positivePlayers online now: 568Free
Unnamed Space Idle
Unnamed Space Idle is a long sci-fi idle game about holding back alien waves after humanity is nearly wiped out.
92% of 4,599 Steam reviews are positivePlayers online now: 4,479Free
Final Factory
Final Factory blends factory building, spaceship design, and a rich universe to explore.
78% of 289 Steam reviews are positivePlayers online now: 8$18.99
Starvester
Send drones out to mine planets, unlock upgrades and raise megastructures while the numbers quietly climb.
68% of 823 Steam reviews are positivePlayers online now: 15$6.99
Desk Space: Idle Spacefleet clicker
Grow your fleet of spaceships in this incremental space game.
68% of 131 Steam reviews are positivePlayers online now: 2$5.99
Space Architect
Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.
72% of 307 Steam reviews are positivePlayers online now: 24$1.79
Final Upgrade
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes.
75% of 441 Steam reviews are positivePlayers online now: 4$19.99
Newest games like Space Builder Idle
SpacePorts
Ferry cargo between stations, buy more haulers, and let the numbers climb at their own calm pace.
77% of 26 Steam reviews are positivePlayers online now: 35$9
Space Civilization Clicker
An idle clicker where you grow one small planet into a galactic empire.
93% of 14 Steam reviews are positivePlayers online now: 1$3.99
Imberite Idle
Open chests, collect rare structures, and optimize your build to maximize production in this steampunk idle incremental game.
100% of 4 Steam reviews are positive$5.99
Horizon Idle
A space-themed idle RPG of skilling and crafting. Mine, refine, research, and automate your way from a lone ship to an industrial empire.
83% of 6 Steam reviews are positivePlayers online now: 1$4.50
Pibcremental
Put cute little Pibbles to work, grow a huge tree and watch your numbers climb to silly heights at your own pace.
84% of 406 Steam reviews are positivePlayers online now: 56$5.99
A Game About Creating The Universe
An idler game where you get to build up the universe from scratch. You are a part of an advanced space civilization that builds universes.
80% of 5 Steam reviews are positive$5.99
Incremental Orbits
A short and relaxing incremental management game where you run your own space company, discover planets, launch satellites and make a ton of money.
89% of 27 Steam reviews are positive$6.99
IDLE_DIRECTIVE
A post-apocalyptic idle game about Tetris-ing equipment into a tiny grid until your little machine gathers, builds, and repairs on its own.
86% of 544 Steam reviews are positivePlayers online now: 47$4.99
Deep Space Outpost
Deep Space Outpost is a space station building & survival game, involving resource and base management.
72% of 32 Steam reviews are positive$15.99
Desk Space: Idle Spacefleet clicker
Grow your fleet of spaceships in this incremental space game.
68% of 131 Steam reviews are positivePlayers online now: 2$5.99
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,446 Steam reviews are positivePlayers online now: 106$19.99
Starvester
Send drones out to mine planets, unlock upgrades and raise megastructures while the numbers quietly climb.
68% of 823 Steam reviews are positivePlayers online now: 15$6.99