Games like Cosmic Castaway

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier. If you enjoyed this game, see our list of games similar to Lost Galaxy: Echoes of War.

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. If you enjoyed this game, see our list of games similar to Benders In Space.

Build and automate your settlement in this island survival game, play solo or with friends, but it’s better with friends! Start by tilling the soil and planting your first crops, delegate tasks to your settlers. Sail to new islands, loot dungeons, and prepare your defenses for the next wave. If you enjoyed this game, see our list of games similar to Calmaria: Wild Growth.

THE SEARCH FOR A NEW HOMEResources on Earth are exhausted. Humanity is preparing a generation ship, but they have nowhere to send it. You are the vanguard—a proto-sentient AI integrated into a deep-space probe. Your mission: traverse the void, survive the silence, and find a habitable planet for the remnants of mankind. CLASSIC DEFENSE, COSMIC SCALEParsec TD combines classic tower defense strateg… If you enjoyed this game, see our list of games similar to Alpha Ceti TD.

A sci-fi survival colony sim. Mine ore, craft equipment, and build a base. Recruit and provide for humans, robots, and aliens to grow your colony. Raise oxygen, heat, and pressure in order to turn a dead planet into a living one. Defend against enemy attacks and keep the base running. If you enjoyed this game, see our list of games similar to Terra Crafter.

ROBOSCAV is a turn-based extraction RPG where you command fully customizable robots into raids. Explore the planet, Scavenge for loot, Fight robots and aliens, Extract. After crash landing on a hostile planet, you must rebuild your spaceship from scratch, to escape. If you enjoyed this game, see our list of games similar to ROBOSCAV.

Your people are the power, and the problem. Land on an unknown planet and build a thriving colony in this sci-fi sim. Humanity’s last hope, rests in a pristine, yet perilous world. Will your COLONY survive, or will their conflicts BREAK it apart? In an age when Earth lies broken — torn apart by endless wars over dwindling resources and consumed by an unstoppable climate collapse — humanity face… If you enjoyed this game, see our list of games similar to Colony Break.

ATTENTION: This is a hardcore game where awareness and independent decision-making are essential.You choose what to research and how to progress. There’s no single “correct” path—experiment, try different strategies, learn from mistakes, and develop your own tactics. A grim strategy game that combines base building, defending against enemy waves, and exploring a star map filled with missions, eve… If you enjoyed this game, see our list of games similar to Tin Lord.

Stranded on post-apocalyptic Earth centuries after humanity's exodus, "A Silent Desolation" is a solo survival game developed by one person. Face dangers, craft, explore, and uncover secrets while repairing a shuttle base to escape. If you enjoyed this game, see our list of games similar to A Silent Desolation.

A crew was forced to land on an unknown planet. Now it is your responsibility to create the order they need to stay alive. Your team struggles with hunger, energy, morale and health. Every decision you make shapes the future of the colony. You must bring order to the chaos and rebuild everything from the ground up. Search for resources during the day. Explore new areas. Build your production cha… If you enjoyed this game, see our list of games similar to After the Crash : Colony.

Alien Farmer is a farming, light automation, tower defense game set on a hostile alien world. Farm, mine, and build an automated base by day, then defend it against deadly creatures by night. Explore, expand, and survive alone or in co-op. If you enjoyed this game, see our list of games similar to Alien Farmer.

Vifa is a survival-building game where each hero character brings unique talents that change how you play. Team up with friends, craft and build your base, deploy worker bots to gather resources, and assemble powerful mechs to defend your home. If you enjoyed this game, see our list of games similar to VIFA.

Welcome to the world of space stations! Create your own space base with workplaces and production facilities. Ensure sustainability and safety, explore space, defend your base, and build diplomatic relationships. Be vigilant and successful! If you enjoyed this game, see our list of games similar to Amazing Space.

Build and expand in agriculture, industry and commerce. Evolve in the food industry sector, and weather the storms by helping your people build the new world. If you enjoyed this game, see our list of games similar to Food Industry.

Gather resources, make strategic decisions, and rebuild a shattered world while battling nature and enemies alike. Test your crafting skills—can you emerge victorious through challenging combat and resource management? If you enjoyed this game, see our list of games similar to Perpession.

47%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, grinding

73% User Score Based on 15 reviews

You have damaged your ship and ended up on a planet where the air is unsuitable for breathing. But all is not lost! You will have to use all your skills and intelligence to survive and return to Earth. Start with the basics — create a base that will be your refuge on this hostile planet. Develop a strategy to protect and develop your base. Resources are your everything on this planet. Get t… If you enjoyed this game, see our list of games similar to AstroPlanet.

VALTERION: THE LOST EARTH is a sci-fi colony-building strategy game. Lead 50 survivors on Elyra, build a thriving colony, develop its economy and research, return to the stars, and search for the lost path back to Earth. If you enjoyed this game, see our list of games similar to VALTERION: THE LOST EARTH.

Defend your base by placing towers strategically, forming interconnected systems that depend on one another. Adapt your strategy to different environments and enemy waves, exploiting their weaknesses. In System Status: SuperCritical, resources are scarce and critical failure is always an option. If you enjoyed this game, see our list of games similar to System Status: SuperCritical.

You’re not the ship—you’re a fragile prospector with a jetpack. Haul gold, deploy robots and defend your operation from meteor storms, aliens and pirates. Gear up between expeditions—but mine fast: a rival can take the claim while you’re still alive. If you enjoyed this game, see our list of games similar to Cosmic Gold Rush.

STARHOME is a single-player, real-time strategy game where your choices shape the future. After losing your planet, you set out at the head of the survivor's fleet to find a new home for your people. Venture into the boundless reaches of space, where survival demands a careful balance between resource management and combat. In the harsh and unforgiving depths of the cosmos, you'll need to build… If you enjoyed this game, see our list of games similar to STARHOME.

Command a walking factory-castle in a feudal sci-fi sandbox strategy RPG with roguelite elements. Race across an open world to salvage alien-infested spaceships crashing from orbit. Build industries and defenses, recruit vassals, and decide the fates of competing factions. If you enjoyed this game, see our list of games similar to Scraptory.

FREE PROLOGUE! Hop on the mech and find a new home for your dwarven people! Build a base, defend your colony and explore the floating islands of the fantasy world of Driftland in this immersive action RPG! And that’s only the beginning… If you enjoyed this game, see our list of games similar to First Dwarf: Prologue - First Island.

Galactic Veins is a groundbreaking survival RPG that seamlessly blends action and RTS. Lost in an uncharted galaxy, you'll explore hostile regions filled with danger and mystery. Harvest resources, salvage technologies, and uncover the secrets of the universe as you fight to find your way back home. If you enjoyed this game, see our list of games similar to Galactic Veins.

Step into the boots of William, an ordinary man shaped by extraordinary events—war, loss, and the fight for survival. From the ashes of tragedy, you emerge as a leader, guiding a band of survivors who’ve escaped a ruthless raid. Your mission is create a thriving settlement from the ground up and provide your people with homes, jobs, food, and security while preparing them to defend against looming… If you enjoyed this game, see our list of games similar to Our Freedom.

First-person colony simulation where strategy meets survival in a demanding, medieval wilderness. Construct gridless settlements, establish production chains, and manage the needs, desires, and work morale of your villagers to ensure their survival through the harsh realities of nature and disease. If you enjoyed this game, see our list of games similar to Medieval Frontiers.

25%Game Brain Score

Most mentioned positive aspects:gameplay

Most mentioned negative aspects:stability, grinding

42% User Score Based on 12 reviews

Step into the world of SurvAIval, where survival meets automation! Gather resources, build your base, and bring it to life with the power of AI. Start small by crushing materials to earn money, but soon, your AI creations will handle the grind for you, freeing you to explore uncharted lands, conquer new territories, and forge alliances with those in need. Expand your empire, meet the demands of n… If you enjoyed this game, see our list of games similar to SurvAIval.

Start small. Explore together. Build your way across the stars. Design modular ships, automate resource production, and team up with friends or grow rival colonies. If you enjoyed this game, see our list of games similar to Stellar Shipyard.

66%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:monetization, stability

86% User Score Based on 28 reviews

This is a DEMO version of Stellarcraft. The full Early Access version is available on a separate Steam page. Stellarcraft is a sci-fi tower defense game in which you explore different planets, collect resources and complete missions. Build and upgrade defenses to fend off enemy waves and develop your character. Strategic planning and technological upgrades are the key to success. Explore… If you enjoyed this game, see our list of games similar to Stellarcraft The Prologue.

A sandbox survival RPG set on fully spherical hex worlds. Crash-land on an uncharted planet, craft and build to survive, uncover what infected the solar system, then build a ship and fly seamlessly to other planets. No loading screens. No edges. If you enjoyed this game, see our list of games similar to PlanetSmith.

51%Game Brain Score

Most mentioned positive aspects:gameplay

Most mentioned negative aspects:graphics

83% User Score Based on 12 reviews

"Red Planet Rampart" is a game not to be missed. Dive into this harsh yet fascinating red world now, and commence your journey to dominate Mars. Every choice, every battle, it's more than survival—it's about creating a legacy on the Red Planet. Are you ready to face the Martian frontier? Game Background Brief: Get ready for an epic Mars survival challenge! In "Red Planet Rampart, " an immersive sc… If you enjoyed this game, see our list of games similar to Red Planet Rampart.

"WATER MARGIN HEROES " is a 3D strategy simulation game that combines real-time strategy (RTS), base building, survival management, and hero development. As chaos looms and heroes rise, players will lead the Liangshan heroes from a desolate land, starting from scratch. If you enjoyed this game, see our list of games similar to Water Margin Heroes.

Build an autonomous colony on a living procedural planet. Gather resources, command robots, reshape the terrain, expand your power grid, and defend the teleporter from an ecosystem that reacts to your growth. Establish the link — or lose everything. If you enjoyed this game, see our list of games similar to Terrahold.

COMMAND THE ULTIMATE DEEP SPACE FORTRESS! Embark on a perilous journey into the dark abyss of outer space. In this endless sci-fi tower defense game, you are the Commander of a high-tech starship cruising through hostile galaxies. Cosmic monstrosities and alien hordes are closing in from the void, drawn to your ship's energy core. You and your elite crew are the final line of defense between surv… If you enjoyed this game, see our list of games similar to We Grow Together.

Build, automate, and defend humanity's last factory on a dying industrial planet. Chain production lines, survive AUTON raids and dust storms, research lost technology, and uncover what silenced every factory before yours. If you enjoyed this game, see our list of games similar to The Last Factory.

Survive. Build. Automate. After a catastrophic engine failure, your emergency pod has ejected you onto a tiny fragment of land floating in the endless void. Above you, a colossal and mysterious Cube Planet looms, dominating the horizon. With nothing but your worn-out family photo and a handful of survival tools, you must transform this desolate rock into a sprawling industrial empire. SkyFab is … If you enjoyed this game, see our list of games similar to SkyFab.

You are dropped onto a distant, uncharted planet with nothing but a transport bay and a single rover.There are no visible resources.No clear paths.No second chances. To survive, you must explore. Scan the UnknownYour rover is your lifeline. Scan unexplored sectors in real time Reveal hidden resources beneath the surface Identify safe zones, hazards, and expansion paths Every decision matters.Scan … If you enjoyed this game, see our list of games similar to Nova Origin.

Cog Foo is a builder–automation–action game that blends factory management, modular warfare, and industrial strategy.Build factories to manufacture everything from machine parts to colossal modular tanks, then deploy your creations in battles to claim land, rescue survivors, and expand your industrial network. Build & Automate Design efficient production chains that transform raw resources into a… If you enjoyed this game, see our list of games similar to Cog Foo.

Defend fallen stars from an onslaught of shadow creatures, strategize with unique animal towers, and upgrade your lighthouse community as you adventure through the changing seasons to uncover the memories of fallen stars. If you enjoyed this game, see our list of games similar to Pelikeeper: A Cute TD Adventure.

AstroCore Mining puts you in charge of a colony where profit is everything and survival is fragile. Extract resources, balance factions, and face pirates and unrest. Lead not just a colony but the future of a nation in the brutal reality of space capitalism. Join to the Playtest now! If you enjoyed this game, see our list of games similar to AstroCore Mining.

Build your dream café... or die trying. In this fast-paced co-op base builder, you’ll cook, fight, and automate your way through a chaotic kitchen as you gather ingredients by slaying monsters and prepare magical meals for the Demon Overlord’s ever-hungry army. If you enjoyed this game, see our list of games similar to Dungeon Cafe.

Main Sequence is a first-person space-sim factory builder where you design spaceships, build space stations, and automate everything. Start with a single ship and grow to become an interstellar industrial empire as you leave your mark on the galaxy. If you enjoyed this game, see our list of games similar to Main Sequence.

Embark on a perilous journey through the haunting Phantom Forest, where survival meets souls-like combat in an open-world adventure. Face nightmarish creatures, build thriving settlements, and unravel the mysteries of a malevolent force. If you enjoyed this game, see our list of games similar to The Phantom Forest.

Overview: Manage resources and defend your base against alien attacks. Design: Build structures, collect resources and defend your colony with defense towers. Automation lets you focus on strategy. If you enjoyed this game, see our list of games similar to Planet Valley.

Light Years Away is a sci-fi ARPG survival adventure that immerses you in the vast, unexplored reaches of space. Play as a starship captain stranded in an unknown galaxy after your fleet is ambushed by a mysterious force. With limited resources and only a small crew to rely on, you must travel from planet to planet, exploring alien worlds, collecting resources, and crafting everything you need to … If you enjoyed this game, see our list of games similar to Light Years Away.

An unforgettable journey of discovery, hope, and survival, as you strive to unlock the secrets of the universe and pave the way for humanity's destiny. By intertwining Exploration, Adaptive Gameplay, and Survival, ETERNITY offers a rich and immersive experience where you’re guiding humanity’s last fleet through a procedurally generated galaxy, and your “empire” is a moving city of ships. Every ve… If you enjoyed this game, see our list of games similar to Eternity.

A Sector Darkly is a 2-d real-time space exploration open-world RPG. Explore, trade, scavenge, research, craft and survive a sector in chaos. Interact and dialogue with more than 10 alien races. Imagine a 4x-LITE universe, where instead of being in command of the faction, you are in command of a single ship and crew just trying to survive. An open world exploration, with an underlying mystery: sec… If you enjoyed this game, see our list of games similar to A Sector Darkly.

When calamity struck, the world of Highreach was shattered. In this open-world survival game, build encampments, rescue survivors, and soar across the skies on your airship to explore a lost world and uncover the truth. If you enjoyed this game, see our list of games similar to Highreach.

Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities. If you enjoyed this game, see our list of games similar to New Stars.

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? If you enjoyed this game, see our list of games similar to Stationbreak.

Live on Kickstarter WISHLIST About the GameYou are the only human stranded on a planet-sized junkyard where the universe dumps its discarded machines. Robots survive here on scrap and recycled energy. They do not trust humans. To stay alive, you must hide in plain sight behind a mechanical helmet and build a life among them. But survival is only the beginning. Play Solo or in Co-opSilic… If you enjoyed this game, see our list of games similar to Silicone Heart.