Top similar games like Solar Flux:
Solar Flux $9.99
Travel across the universe and save dying suns from extinction in this unique and challenging puzzle strategy game. You are the last hope to bring salvation to a perishing universe as you collect and deliver fragments of plasma using your omni-directional ship.
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ExocraftFREE
Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.
Sole Seeker$1.99
Land on unique planets to survive the horrors that await in this adventure survival RPG. Use the spoils to upgrade defensive buildings and explore the galaxy further. Can you survive the hunt all alone?
From the Depths$24.99
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
ObliteracyFREE
Obliteracy is a word game set in a utopian future where energy is generated from language itself. Word-warriors pilot enormous mechanized robots in a tournament to prove themselves worthy of the title of Champion—and to earn the chance to craft the future of the world.
Executive Assault 2$24.99
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Stellaren II$3.99
A space sci-fi visual novel in post-apocalyptic worldCombines a unique visual novel experience with multiple mini-games!Travel across multiple locations across space and meet a diverse set of interesting characters.
Spaceship Hunters$5.99
Spaceship Hunters is a chaotic couch co-op shoot-em-up for 4 players. Working as a crew, fight your way through the worst criminals the universe has to offer.
Lost in Space: Madness$4.99
A sci-fi turn-based card strategy game in which you must guide your team of astronauts through horror, food shortages while maintaining their sanity, and uncover the mystery of the mission.
Lifing$3.99
Lifing is a challenging turn-card-roguelike base game, set in a mix of fantasy/sci fi/random universe breaking limits of card and deck manipulation. Explore, fight, upgrade, repeat.
Invasion: Phoenix$10.99
Invasion: Phoenix is a passion project by a solo developer and lifelong gamer. An alien empire hellbent on conquering Earth has arrived at our doorstep, and humanity is in total anarchy. Delve into this meticulously crafted 2D top-down pixel art RTS and sign up to reclaim Earth!
Cosmo's Quickstop$19.99
Cosmo’s Quickstop simulates the fast-paced thrill of managing a gas station… IN SPACE! Upgrade your services, please alien customers, and complete your daily chores through simple minigames that add up to a hilariously frantic experience with solo or couch co-op play.
The Galactic Junkers$16.99
Become the space captain you always wanted to be. There are just a few problems, your ship needs work, there’s a price on your head, and your crew are idiots. Seek your fortune and the truth in The Galactic Junkers, a comedic space combat adventure game.
Ignited Steel: Mech Tactics$14.99
Ignited Steel is a mech roguelike turn-based-tactics game. Manage a team of overheating old-tech mechs, more heat means more vulnerability and damage! Unravel the galaxy’s story as you travel from node to node, improving your mechs, acquiring new pilots, and defeat the sentient A.I. overlord!
Ignited Steel: PrologueFREE
Ignited Steel is a mech roguelike turn-based-tactics game. This Prologue features a free standalone campaign where you will discover the origins of the robotic insurrection, as well as the new features added to the main game on Patch v1.1: Uprising.
Space Food Truck$9.99
Space Food Truck is a cooperative, culinary scifi adventure. 1-4 players take on unique roles aboard the Galaxy Gourmet. Their mission: explore a vast, procedurally-generated galaxy in search of exotic ingredients, craft delicious recipes, and withstand the untold dangers of deep space.
Cosmonautica$9.99
Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.
Union of Gnomes$14.99
Onwards to revolution in this challenging deck-building roguelite. Free your gnome comrades, assemble your squad, mind wieners (supplies), slay the slavers, and take down the fiercest of them all – Snow White! FREEDOM TO GNOMES!
Rocket!$9.99
Build a stronger ship with each play session as you earn resources needed to upgrade your ship and apply stronger weapons. Customize your ship to your play style and tackle greater and stronger enemies as the levels continue in this endless roguelite.
Endless Horizon$0.99
Endless Horizon is a high octane arcade game of speed, precision and perfect timing.
SPACE STORESHIP -スペースストアシップ-$6.99
”SPACE STORESHIP” is a puzzle game that combines two games: 'top-down puzzle' and 'side-view jumping action'. First, you have to push the blocks, then switch the direction of gravity to change the stage into 2D action-like one, and jump to reach the goal.
Last Dream: World Unknown$9.99
Last Dream: World Unknown incorporates the best features of classic RPGs: replayability and complete immersion into a vast world, rich with detail.
Stars in Shadow$24.99
Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.
Stellar Warfare$19.99
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Quantum Derelict$6.99
"Quantum Derelict" is a rogue-lite survival horror game set in a chilling Lovecraftian inspired narrative. In the uncharted vastness of space, outwit the sinister cult of VUGSHERYOG and the lurking horrors as you strive to retain your sanity, find rescue, and survive against all odds.
Fusillade$3.99
Use your infinite deck of cards in real time to push back the never ending waves of pirates. Fly through a Roguelike, Deck-Building, Space Shoot em' up, and Destroy the Cosmos with unparalleled firepower, ingenuity, and a little bit of luck!
Cosmic MagusFREE
An arcade spellcasting roguelite experience. Endless waves of enemies come at you, wait for them to use a spell then steal it and use it to eliminate them all.
Forgotten Hill: The Wardrobe$4.99
Did you really believe a wardrobe is just a piece of furniture? Not in Forgotten Hill! Uncover the evil within the 5 twisted chapters of this new point-and-click adventure. Will you survive?
Humay$19.99
It is a fantastic adventure game.
Spacecraft Tactics$8.99
Spacecraft Tactics is a 2D turn-based tactical space game. Save the last rebel outpost in the campaign. Develop a strategy, execute it in tactical battles and micromanage your ship. Play various game modes single or multiplayer. Create your own ships, scenes or mods and share them.
Prosperous UniverseFREE
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
Cobalt Core$19.99
A sci-fi roguelike deckbuilder with a deep new single-axis spin on tactics games! Dodge missiles, line up your cannons, and blast 'em out of the sky... Then get to the bottom of these time loops, before it's too late!
Blasteroids$1.99
Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!
Oriental Dynasty - Silk Road defense war$5.99
Experience the perfect combination of tower defense and the historical plot of the Silk Road, so as to bring an amazing epic game adventure experience! You will follow our protagonists in a strategic battle on the Eurasian continent! Come on, buddy, this epic fantasy adventure needs your help!
Drox Operative 2$19.99
Drox Operative 2 is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Linux.
LaughterLostFREE
LaughterLost takes you through a surreal journey of work and family life. Face psychological twists, narrative choices, puzzles, and unexpected unique confrontations! Will you break this dystopian cycle of everyday life?
Micron$2.99
Micron is a unique fusion of puzzle and rhythm gameplay. Place pieces on the board to deflect bullets of energy that fire to the beat. Guide the bullets to the exit through 51 challenging levels — and 12 bonus levels — featuring a variety of distinctive soundscapes. Your solutions create the music.
Settle and Battle: New Empires$5.99
A homage to classic real-time strategy games. Gather resources, build an empire, and command powerful armies to conquer the world. Lead six unique tribes, expand your territory, and engage in epic battles with hundreds of units on screen. Dominate in 18 missions and procedurally generated maps!
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.
Methods: The Illusion MurdersFREE
Detective Red July must stop a serial killer who patterns his murders after optical illusions in this mystery visual novel set in the world of Methods.
Space Station Tycoon$19.99
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
Galaxy Trucker: Extended Edition$9.99
Sign up to be a galaxy trucker today! An adaptation of Vlaada Chvátil’s award-winning board game is now on Steam. Already includes the ALIEN TECHNOLOGIES expansion!
HighFleet$29.99
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
HellFull - The Last Hope$25.0
Crafted over 7 years by sole developer Niël, HellFull - The Last Hope is just beginning! Featuring 5 modes, Course of Slayers, immersive Singleplayer, action-packed Multiplayer, Hellmode's wave survival, and a future open-world! It offers something for everyone! The journey will keep evolving!
Nuke Them All$19.99
An RTS classic reborn with a twist. Time is of the essence, Commander! Capture the flags, conquer the territories, and eliminate the enemy fort. And finally, nuke them all! This old-school sci-fi Indie real time strategy game, crafted by devoted team, revives the genre's enduring allure.
Harmony's Odyssey$14.99
Harmony’s Odyssey is a 3D fantasy adventure puzzle game set on mythical dioramas full of riddles, perky creatures and magic. Embark on a fantastic journey through remote fabled lands tangled by a rowdy cat and bring peace to its inhabitants.
Cyber Tower$6.99
Unleash your creativity and strategic vision to shape enemy paths, build deadly mazes, and dominate the battlefield in this cyberpunk tower defense experience.
Dead Metal$14.99
1-4 player co op roguelike with turn based combat and an emphasis on exploring randomly generated dungeons in order to find loot and complete missions
Nexus 5X$14.99
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
Ghostship Chronicles$24.99
Prepare to board the Heckel and Thomas as a Black ops CDF detachment who were sent to investigate the disappearance of the long lost colonization ship. Keep your team teammates alive to evolve more stories and stand a chance of survival with 3 different endings.
Starfighter Origins Remastered$24.99
Starfighter Origins is an Original 90`s style Indie space combat simulator Based on the CDF Universe. Combining a focus on single player action and a campaign story mode, Starfighter Origins offer fun and diverse gameplay. Designed for keyboard and mouse with full controller support.
Probe$1.99
A challenging 2D block breaker featuring arcade elements and a modern spin on the popular retro games. Destroy data blocks and galactic enemies using only your probe, bullets and power ups but don't lose your ball to the void. Do you have what it takes to reach the end of the universe?