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

Far Mining
Also space, mining, short
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
To The Core
Also mining, space, upgrade tree
Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.
93% steam
Deep Space Cache
Also short, space, mining
Shoot asteroids for resources, feed them into generators and ship augments, and reach the finish in a couple of hours.
93% steamhas ending50% idle
Keep on Mining!Dormant
Also mining, upgrade tree, short
Sweep your cursor over rocks to break them, smelt ores into bars and spend them in a large skill tree, with talent cards and an automatic mine for idle gains.
91% steam50% idle
PROFITS 2167: Planetary Resource Optimization & Freight Infrastructure Technician Simulator
Also space, mining, short
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
Galactic Mining Corp
Also mining, space, upgrade tree
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
Starvester
Also space, mining, short
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
Dronord
Also mining, short, space
Play as a crash-landed drone with damaged systems, mining resources and slowly repairing yourself.
3.9★ galaxy
NodebusterComplete
Also short, upgrade tree
Sweep your cursor over nodes, spend the bits on a huge upgrade web, go again. A tight, active, few-hour hit.
97% steam3–6h ending10% idle
Digseum
Also short, upgrade tree
Dig up relics across a dozen sites and display them in your museum to fund better tools. A compact run of a few hours.
98% steam
Far Fishing
Also short, upgrade tree
Chase fish inside a circle from a small boat, upgrading it as you sail to the edge of the world across nine locations in about two hours.
97% steamhas ending
SpaceplanComplete
Also short, space
A stranded ship, a potato, and a soundtrack that makes the finale land. A short, focused story idler.
91% steam1–3h ending30% idle
Master Healer Kale with useless party
Also short, upgrade tree
Play the healer of a hopeless party, keeping them alive with spells and a 200-node skill tree until they can face the Demon King in about four hours.
95% steam4.0★ galaxyhas ending
Rock BottomUpdated
Also mining, upgrade tree
Swing a pickaxe through generated caves, smelt ore into bars and buy permanent skill tree upgrades to push through eight themed depths.
94% steam
The Last Cat in the Universe
Also short, space
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
Loot LoopUpdated
Also short, upgrade tree
Send a party of tiny heroes into dungeon runs that last seconds, then spend the loot on a large skill tree between attempts.
92% steam
Click and ConquerUpdated
Also short, upgrade tree
Bomb a fog-covered grid to uncover enemies, invest in passive income and power across 12 maps, and prestige for permanent upgrades in a two-to-four-hour run.
92% steamhas ending
Vanguard Galaxy
Also space, mining
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
Journey to Incrementalia
Also upgrade tree, short
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
Garbage GrowthUpdated
Also short, upgrade tree
Pick up trash that people throw at you, add more polluters and hire rats to automate collection. A short, crude incremental with a skill tree.
91% steam3.9★ galaxy
Universe Horizon
Also space, upgrade tree
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
Sir, We Have an Orc Problem
Also upgrade tree, short
A short tower defense against orc armies in the tens of thousands, where every run, won or lost, feeds a big tree of turret upgrades.
86% steam
GLONK
Also short, upgrade tree
Feed a hungry creature called Glonk to earn gold, spend it in a skill tree and add more Glonks. Short, with an ominous twist to its appetite.
89% steam
Astrodle
Also space, short
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