Top similar games like Starsim:
Starsim $11.99
StarSim is a spaceship strategy RPG with live galaxy simulation. The game combines real-time with paused starship combat, turn-based crew combat, text quests and more. Be a hero, a trader, a scavenger, a mercenary or a pirate.
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USC: Counterforce$19.99
Lead your Space Commandos in a revival of turn-based squad tactics inspired by UFO/XCOM and Aliens. Utilize in-depth skill & combat systems in multiple game modes, including a full campaign. Discover the truth behind the demise of colony MC83-A and join the USC in defending humanity!
Space Rogue$9.99
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
Star Explorers$4.99
Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.
Out There: Oceans of Time$24.99
Out There: Oceans of Time is a space exploration game that puts you at the helm of an interstellar mission of discovery spanning a vast and vibrant cosmos.
QANGA$19.99
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLab's Industry labs, and journey through this expansive universe!
Approaching Infinity$17.99
Approaching Infinity is a turn-based space RPG in the spirit of the sci-fi classics, with endless progression and exploration. Fight tactical battles or try diplomacy. Seek powerful artifacts. Quest, mine, trade, and craft. Level up forever or attempt 1 of 10 victories in hardcore or adventure mode.
The Spatials$9.99
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Starcom: Unknown Space$24.99
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Stellar Tactics$19.99
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with over 160,000 star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
3030 Deathwar Redux - A Space Odyssey$14.99
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Endless SkyFREE
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Star Merc$1.99
Star Merc is an open world rpg where player choices heavily affect outcomes and drastically change the storyline. The game is about exploring different planets, learning about the inhabitants and dealing with the different factions that like to think they control the universe.
Horizon$29.99
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Abeyance$19.99
Abeyance is a roguelite, sci-fi, dungeon-crawler. Salvage wrecked starships in a gritty, post-apocalyptic world. Fight mutants and mechanized defense systems. Battle your inner demons to save your soul… and reclaim your humanity.
Swire Future$18.99
"Swire Future" is a high degree of freedom game from the era of ancient mythology to the future era. Players can choose any character in this world to play. The Age of Archaic Mythology includes 10 professions, random characters account for 6 professions.
Signals$9.99
Signals is a casual planet hopper strategy game. Explore systems, harvest resources and repair alien devices. You’ll need to strategically work with the market to maximize your income while covering the cost of your operation in order to follow strange signals and discover what waits at the source.
Space Engineers$19.99
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.
STAR-BOX: RPG Adventures in Space$4.99
STAR-BOX – RPG Adventures in Space!Strap on your gravity boots, power up your laser, and climb aboard your spaceship for a retro-styled, RPG-jaunt into the unknown!Travel an open-world, sandbox universe where you are the architect of your own story.
Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)$14.99
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
Star Souls$7.99
One by one, the stars begin to die without reason. Thousands of inhabited worlds are turned to dust. You and your crew must find “the Transition”, your last desperate hope to find new worlds. Assemble your fleet, customize your spaceships and fight for the salvation of all intelligent life!
FortressCraft Evolved!$12.99
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Heat Signature$14.99
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
Planet SFREE
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Hyperspacer$2.99
Travel through space in your own spaceship, land on planets and moons, talk to NPCs, perform various tasks, collect scientific data, gather minerals, acquire better equipment, upgrade your ship, advance your skills, and delve into the main storyline.
Spaceflight Simulator$14.99
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Between the Stars$29.99
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Earth Analog$24.99
In this space flight adventure game you take control of exploration vessel Eurisko XI on a quest through deep space. Visit fascinating fractal-based exoplanets and solve their mysteries. Fly through dangerous landscapes. Collect artifacts to unlock new pathways. Your goal: find our new home.
Solar 2$9.99
Dynamic abstract sandbox universe. Changes and evolves as you do.
Starlight$9.99
Ignite the imagination on the edge of the Galaxy. Discover alien landscapes and exotic alien lifeforms on a mission, millions of light-years from Earth, Play as an android sent from Earth to explore the Universe. Craft! Explore! Uncover the mystery of our origins in the Universe.
Age of Fear: Total$59.99
This rich fantasy world loved by fans for its deep tactics and epic stories is due to become that much larger once the upcoming Ratmen enter the fold, bringing with it a brand new, meaty mainline quest for fans to battle through. But like any good adventure, it's never really over!
Age of Fear 5: The Day of the Rat$29.99
Play as Indulf, a Black Knight in the Undead Legion with ambitions to build an empire of his own. Alongside the young Witch Lexa, set out on a lawless quest to plunder the realm. Age of Fear is a complex turn-based strategy series (full of jokes!) that fuses a tabletop wargame with RPG elements.
Kerbal Space Program$39.99
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Shadowrun: Hong Kong - Extended Edition$19.99
Shadowrun: Hong Kong - Extended Edition is the capstone title in Harebrained Schemes' Shadowrun series - and now includes the all-new, 6+ hr Shadows of Hong Kong Bonus Campaign. Experience the most impressive Shadowrun RPG yet, hailed as one of the best cRPG / strategy games of 2015!
Cosmorists$9.99
You find yourself completely alone on a different yet very familiar looking planet. Explore the planet, craft tools, fight enemies, and build bases! Do science to learn new technologies that will allow interplanetary travel and better tools at your disposal!
Mechajammer$24.99
A tactical cyberpunk turn-based RPG set on an off-world grindhouse jungle colony. Skulk through the shadows or charge in guns blazing. Recruit a unique party for large squad-based assaults as your adventure plunges you deep into the city’s secrets.
Quasimorph$19.99
Take on a role of a hardened PMC fighter in a dark turn-based extraction RPG. Engage in unforgiving combat, manage your ship and pile up the bodies of your clones to unravel the dark mystery behind threat to all life.
Star Valor$24.99
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Holy Potatoes! We’re in Space?!$9.99
Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe.
Starbound$14.99
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Celestial Command$19.99
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Space Pirates and Zombies$9.99
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
NaevFREE
Naev is a game about space exploration, trade and combat. Players travel the galaxy and earn money by trading, fighting and performing missions.
MirrorMoon EP$14.99
MirrorMoon EP is a game about mystery and exploration set in outer space. These space travels begin on a red planet and its unique moon and extend across galaxies. The single player part of MirrorMoon EP blends adventure and exploration with navigation-based puzzle solving.
SEARCH AND RESCUE$5.99
Turn-Based Strategy Board Game for up to 4 Players! Search, Rescue, Survive!
Void$0.99
Feel the inhuman tension of outer space - floating between bits of debris - struggling to conserve air and fuel - experiencing a hauntingly personal tragedy.
Dome Keeper$17.99
Defend against waves of alien attackers in this innovative roguelike survival miner. Dig for resources and choose from powerful upgrade paths. Is there enough time to mine a little deeper and get back to defend before the monsters attack your dome?
Epic Astro Story$8.99
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
Super-Spatial$12.99
Explore, build, and master the art of automation. Build your base, discover colorful new worlds, and develop new technologies as you tame the far reaches of space and search for a way to return to Earth.
Azulgar: Star Commanders$19.99
Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.
★ Fallalypse ★ Death or Cress ♝$199.99
The communication with SH42 looking for new planets suitable for life was lost. The last message sent from it said: "Death or Cress". A space-marine and a priest of the newly-formed Space Battle Church set out on a search of the survived or to read the funeral service for the remains of the dead.
Unending Galaxy$4.99
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.