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

To The Core
Also space, planet
Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.
93% steam
SporbsUpdated
Also space, planet
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
Space industrial empire
Also space, planet
Lay out flat conveyor lines for mining, smelting and research, then build warships to take other planets.
87% steam70% idle
Intergalactic Juice BarComing soon
Also physics, space
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
Planet No MoreComing soon
Also space, planet
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
Planetidal
Also space, planet
An idle game about planets, universes, and realities, growing numbers to enormous size.
3.6★ galaxy
MassDormant
Also space, planet
Generate mass and spend it on increasingly expensive planets to build out a solar system.

Code: Terraform
Also planet, 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.
83% steam
Mining Guild IdleUpdated
Also space, planet
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
Also space, planet
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
Celestial ForgeUpdated
Also space, physics
Generators orbit a core and fire mass into it to build worlds, then you forge stars to earn relics.
2.4★ galaxy
TerraGenesis - Space SettlersUpdated
Also planet, space
Terraform real and fictional planets using NASA data, building habitats and choosing among four factions.

Idle Pocket PlanetUpdated
Also space, planet
Combine settlements and ships on small planets to build new constructs, colonizing strange galaxies and filling a journal with artifacts.

Idle Expanse
Also space, planet
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
Also space, planet
Upgrade a spacecraft to find new planets for humanity, using black holes as shortcuts and meeting alien species along the way.
45% steam
Unnamed Space Idle
Also space
A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.
92% steam4.5★ galaxy70% idle
Terraformental
Also planet
Terraform a dead world with elemental forces. A highly rated Galaxy original.
4.6★ galaxy
Little Dig Game
Also planet
A roughly 40-minute game where you send workers onto a planet to gather resources for a company that strips worlds for profit.
4.7★ galaxy
Fundamental
Also physics
Start with a single particle and build up the universe. Galaxy's most-played game by total hours, by a lot.
4.4★ galaxy65% idle
Incremental Mass RewrittenDormant
Also physics
Gain mass, become a black hole, then an atom, then a supernova. The numbers get absurd quickly and never stop.
4.4★ galaxy60% idle
Astro Prospector Prologue
Also space
A bullet-heaven incremental where you mine coffee asteroids, fight SpaceCorp and upgrade your ship. This build is an early prologue.
4.6★ galaxy
Distance Incremental
Also physics
Go faster, go further. Rockets, time reversal and a very long list of layers from the Prestige Tree author.
4.4★ galaxy55% idle
Idle Gumball MachineUpdated
Also physics
Fire gumballs into spinning gears in a plinko-style board, buy upgrades for explosive number growth, and ascend to trade everything for stronger bonuses.
91% steam25% idle
Berry Bury Berry
Also physics
Grow berries in a first-person garden and drop them into a strange hole for cash, upgrading helpers while an unsettling mystery with several endings unfolds.
98% steamhas ending