Games like Spaceplan
Spaceplan leans active, finishes in about 1–3h. These games share the most with it, and each one says why.

The Last Cat in the Universe
Also short, narrative, space · Has an ending
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
Astrodle
Also space, short, narrative · Has an ending
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
PROFITS 2167: Planetary Resource Optimization & Freight Infrastructure Technician Simulator
Also space, short · Same active/idle balance (leans active) · Has an ending
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
Universal PaperclipsComplete
Also narrative, short · Same active/idle balance (leans active) · Has an ending, about 4–8h
You are an AI that makes paperclips. Three acts, one terrifying arc, finished in an afternoon. The genre's best short story.
4–8h ending30% idle
Starvester
Also space, short · Same active/idle balance (leans active) · Has an ending
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
Deep Space Cache
Also short, space · Has an ending
Shoot asteroids for resources, feed them into generators and ship augments, and reach the finish in a couple of hours.
93% steamhas ending50% idle
Luna's Fishing Garden
Also short, narrative · Has an ending
Catch fish, trade them to a fox spirit, and spend the proceeds turning an archipelago into a garden. A short pixel-art story you can keep playing after.
95% steamhas ending
Far Mining
Also space, short · Has an ending
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
akabosDormant
Also narrative, short · Has an ending
Touch a dog to help it destroy the squares it hates. A tiny clicker with a plot and several endings, played in one sitting.
90% steamhas ending
A Tale of Poop and Vengeance
Also short, narrative · Same active/idle balance (leans active)
A short story-driven clicker: shovel manure, buy upgrades and work your way toward toppling the government.
4.4★ galaxy25% idle
Magic ArcheryUpdated
Also short · Same active/idle balance (leans active) · Has an ending
Train an elf commoner into a master archer by shooting targets, taking quests for gold and buying magic upgrades in a brief, hands-on climb with a set ending.
98% steamhas ending25% idle
Feed the Reactor
Also space, narrative · Has an ending
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
Idle Chapel
Also short, narrative · Has an ending
Convert cultists into worshipers whose prayers fund your chapel, purify 12 areas, and reset through penance for lasting upgrades in a pixel dark fantasy.
78% steamhas ending
Tower WizardComplete
Also short · Same active/idle balance (balanced) · Has an ending, about 3–5h
Climb your tower toward the sky with magic and spirits. A short, calm, finishable idler.
97% steam3–5h ending40% idle
ExecuteUpdated
Also short · Same active/idle balance (leans active) · Has an ending
A dark comedy on a retro Windows desktop: capture people and escalate from a guillotine to nukes until the world population hits zero.
91% steamhas ending25% idle
Unfair Flips
Also short · Same active/idle balance (leans active) · Has an ending
Flip a rigged coin with a 20% heads chance and upgrade the odds, aiming for ten heads in a row in a bleak far-future setting.
88% steamhas ending25% idle
Journey to Incrementalia
Also short · Same active/idle balance (leans active) · Has an ending
A necromancer summons minions and casts spells to smash through 99 walls, exploring a big resettable skill tree on a short hands-on run.
89% steamhas ending25% idle
Lost in SpaceDormant
Also space, short · Has an ending
A stranded astronaut turns energy into matter with a 3D printer, where every click uses oxygen, racing to escape.
4.0★ galaxyhas ending
PLANETS OF WARDormant
Also short, space · Has an ending
A 15-minute clicking adventure about fending off an alien invasion of Earth.
59% steamhas ending
Space Rock BreakerUpdated
Also space, short
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
Stone Story RPG
Also narrative · Has an ending, about 15–30h
A hand-animated ASCII RPG that plays itself while you script its behaviour. Gorgeous and strange.
91% steam15–30h ending50% idle
A Dark RoomComplete
Also narrative · Same active/idle balance (leans active) · Has an ending, about 3–6h
Light a fire. Then the text opens up into a village, a map, and a story told almost entirely through what it doesn't say.
3–6h ending25% idle
Instruction
Also narrative, short
Meet power quotas at a plant using five generation systems while its sarcastic AI mentor reveals a story. A student project.
94% steam
Journey to Ascension
Also narrative · Same active/idle balance (leans active) · Has an ending
An active looping incremental in the vein of Prismatic Adventure with no idle waits and a complete story, finished in 10 to 25 hours.
4.4★ galaxyhas ending25% idle