Top similar games like Hollow Sector:

An incremental colony sim set on a generation starship. Scavenge the stars and recycle everything possible to survive the end of the universe.

SpaceFlight Factory is an Automation and Base Building game with some survival game mechanics.You lead a small colony of human remnants. Help them to survive, expand and gather enough resources to leave Earth for their new home planet.

Amidst powerful alien empires, you are among the first humans in this corner of the procedurally generated galaxy. Trade and explore. With no combat, your success hinges on mastering complex alien economies and navigating intricate politics. Can you carve out a place for humanity in the cosmos?

Harvest energy across the solar system. Build generators on alien worlds, prestige for Dark Energy, and construct a Dyson Sphere around the Sun. Ten planets. Infinite power. One way home.

Build and expand an orbital station in this idle/incremental space colony sim. Manage crew, resources, refinery chains, research and ship expeditions as you progress from Earth orbit toward new planets.

Board your ship and push the boundaries of space exploration in this contemplative space incremental. Gather resources, develop your technology, and travel from the Moon to the edge of the solar system to answer a mysterious signal from the stars.

Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.

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.

Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.

Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.

You start with a tiny mech factory, a pile of scrap, and one goal: make money. Manufacture parts, assemble mechs, and take on questionable contracts for clients who don't ask about ethics, just excellent margins. Grow your factory, upgrade your tech tree, and build the ultimate mech: TITAN.

A sci-fi incremental about industrializing the universe, collapsing it into Stardust, and rebuilding stronger. Automate twelve tiers of impossible machines, chart a finite galaxy, draft run-changing Cosmic Laws, light five constellations, and descend into the endless Abyss

Build stations above picky planets, match modules to what the locals actually want, and grow a trade empire that earns while you're away. Court the factions or cross them on the road from your first rattling fusion can to a megastructure that tames a black hole.

Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.

Take the helm of a cutting-edge space agency with the mission to explore and exploit the Solar system. Realize the historical, and futuristic mission to establish humanity as the Interplanetary species.

Idle can also build your industrial empire.

You are on the run. Build stations in hostile systems, gather what resources you can, and jump away before you are overwhelmed. Your ships are slowly failing, but the Swarm is relentless, hungry, and on your heels. Can you survive long enough to secure a future for humanity?

Start as a microscopic speck, become the end of everything. Void Core is a minimalist sci-fi idle game where you control a black hole. Harvest matter, bend spacetime to automate your growth, and consume entire galaxies. Consume. Grow. Evolve.

Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.

Mine the belts, colonize distant worlds, and choose your allies as three rival factions fight over a fractured frontier, then prestige through five starships and lead a joint fleet against the invading Dominion.

A short incremental game about expanding a star-system wide factory to build giant megastructures in space. Deploy swarms of drones, mine resources, unlock upgrades and harvest the power of the stars!

A tactile space‑mining incremental where you command snake-like drills through grids of space rock. At Orebital Dynamics, your job is to mine rare resources and bring every drill home safely.

Idle Cosmos Clicker is a space-themed idle simulation where you grow the universe from asteroids to black holes. Produce, automate, and evolve resources while unlocking planets, stars, and galaxies. A relaxing yet deep incremental experience with endless progression.

Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.

Idly gather and manage resources to repair what's left of a decaying world. Scavenge forgotten ruins, meet scattered survivors, and push back against the inevitable collapse. IDLE_DIRECTIVE is a grid-based inventory and resource management idle game.

Port Aphelion is a trading-simulation and adventure game where players build their economic empire through honest trade, smuggling, bounty-hunting, or all-out piracy!

A relaxing incremental tower builder—until hundreds of tiny workers turn it into complete chaos.

An arcade-incremental game where you DESTROY planets! Build a fleet, upgrade weapons, max out your skill tree and destroy your target slowly. You'll advance deep into the galaxy, strategically shattering planets to their cores to unlock the next celestial.

Expand your supply chain by flipping tiles.

Launch Window is a single player physics-based automation game where you establish supply chains across an entire solar system using orbital mechanics.

A cozy idle game that lives at the bottom of your  screen. Run a space gas station, refuel ships, hire bots,  chain combo for fat payouts, and rebuild an outpost into  the busiest stop in the galaxy!

Spaceship Idle is an idle/incremental 4X grand strategy auto battler where you build your own spaceship and engage in space battles. Research a vast tech tree, equip unique weapons, unlock powerful upgrades, construct bigger and better ships, win epic (auto) battles, and conquer the galaxy!

Build a massive galactic empire and conquer many galaxies in this incremental game of space conquest. Manage resources, expand your reach, and grow your influence with a casual spin on a 4x theme.

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.