Games like IdleSpace
IdleSpace. These games share the most with it, and each one says why.

Galactic Idle
Also space, combat, automation
Grow one planet into a space empire: research tech, raise fleets and conquer 20 worlds, with battles auto-resolved or fought squad by squad.

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

Transport Defender
Also automation, combat, space
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
Idle Space Raider
Also space, automation, combat
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
Unnamed Space Idle
Also space, combat
A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.
92% steam4.5★ galaxy70% idle
Astro Prospector Prologue
Also space, combat
A bullet-heaven incremental where you mine coffee asteroids, fight SpaceCorp and upgrade your ship. This build is an early prologue.
4.6★ galaxy
Rejected DraftComing soon
Also combat, automation
You are the doodle the Artist threw away. Fight community-drawn sketches, absorb their powers and claw your way back for revenge.
4.2★ galaxy1000h ending35% idle
ULTRATAPUpdated
Also combat, automation
Fight through stages of monsters and bosses, completing quests and equipping items while hundreds of upgrades automate the grind.
89% steam4.2★ galaxy
Dark Hunting Ground
Also combat, automation
A minimalist pixel action RPG about loot and builds, where farming shifts from hands-on to automated as you descend into the Void.
95% steam
PROFITS 2167: Planetary Resource Optimization & Freight Infrastructure Technician Simulator
Also space, automation
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
SporbsUpdated
Also space, automation
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
Vanguard Galaxy
Also space, combat
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
Space industrial empire
Also space, automation
Lay out flat conveyor lines for mining, smelting and research, then build warships to take other planets.
87% steam70% idle
Constellation ClickerComing soon
Also space, automation
Click to claim stars, link them with trade routes and grow a galactic economy, with 12 upgradeable Clankers to automate the clicks.
50% idle
Idle Galaxy
Also space, combat
One persistent ship across ten planets: mine, fight, craft gear and trade with other players. A playable beta, updated often.
85% idle
Orbit FoundryComing soon
Also space, automation
Grow one extractor into an orbital factory: place machines beside the right neighbors, time reactor pulses for bursts, and Reforge for permanent upgrades until you light a new star.
has ending
The Near Future: Incremental
Also space, automation
Turn energy into computation, build self-replicating foundries and expand from Earth across the solar system.
TrimpsDormant
Also combat, automation
Breed an army of trimps, push through zones, portal back, and optimise your heirlooms for another hundred runs.
55% idle
SPACE / MECH / PILOT
Also space, combat
Pilot a mech through space, defeating foes for XP and bigger numbers in a tongue-in-cheek idle RPG clicker.
85% steam
Code: Terraform
Also automation, space
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.
84% steam
Orebital DynamicsUpdated
Also space, automation
Run a deep-space mining platform whose drills fire lasers at lanes of ore, upgrading and automating while hazards reshape the field.
3.3★ galaxy
Space Loop Protocol
Also space, automation
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
Incremental Adventures
Also automation, combat
Heroes fight on their own in automated turn-based combat while you tune the automation and push toward double-exponent numbers through stacked prestiges.
78% steam70% idle
Lazy Galaxy
Also space, combat
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