Top similar games like Gluon:
Gluon $3.99
Earth is just got destroyed! You are heading to the endless space with your modular ship on which the tens of thousands survivors boarded.Gluon is a combat, survival and exploration game with space battles featuring massive numbers of ships. Your modular ship expands its ability and capacity by linking various modules.
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NaevFREE
Naev is a game about space exploration, trade and combat. Players travel the galaxy and earn money by trading, fighting and performing missions.

Cosmic Invasion$4.99
Cosmic Invasion is a combination of strategy mixed in with quick frantic battles against fleets that contain many ships. The strategic layer is a 20 X 30 grid with 600 sectors. Move your ships around to protect your home planet and space stations from the invading fleets of UFO ships.

VoidExpanse$14.99
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!

SCUM$39.99
Traverse punishing environments, looting, crafting and evading the constant threats to your life. The unprecedented levels of character customization and progression are your ultimate tools for survival.

Leap of Champions$7.99
Leap of Champions is a 3D Competitive and Cooperative First Person Shooter with awesome graphic, and a skill based gameplay. His strongpoints are a fluid gameplay with a solid graphic able to work well on outdated machines as well as on the most powerful ones.

The Riftbreaker: PrologueFREE
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

Gangs of SpaceFREE
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.

final m00n - Defender of the Cubes$7.99
There is no room for heroes and survival is almost hopeless. Excessively inferior, you will be hunted mercilessly. More than a million years in the future, there is no earth nor humanity - only a few survivors - who desperately protect what is keeping them alive on the m00ns: 3 CUBEs...

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.

Lightspeed Frontier$14.99
Leave everything behind and try your hand at captaining a ship on the fringes of the universe. Customize your ship, explore vast star systems, invest in corporations, and embark on expeditions discovering fame and fortune within Lightspeed Frontier!

Warmada$4.99
Build your own capital ship and fight other player's creations in a procedural galaxy! Capture ships and build your fleet, unlocking upgrades and ship schematics! Explore the galaxy and build up your home station!

Kinetic Void$9.99
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants.

DUAL GEAR$19.99
DUAL GEAR is a Tactical Action Turn-Based Strategy Game inspired by Japanese Mecha. To go beyond the traditional, DUAL GEAR engages the player to pilots their mechs with Real-Time Action Shooting while experiencing the high pressure of Tactical Turn-Based Layers!

Pirates of Gravitae$9.99
Dogfighting seadogs! Command a rocket propelled pirate ship in this aerial combat roguelike, in 2.5D! Equip your ship, train your crew, optimize your build, get blown up, and do it all again!

Ultimate Admiral: Age of Sail$29.99
Ultimate Admiral: Age of Sail is a tactical wargame from the creators of the Ultimate General series set amidst the epic naval campaigns in the period of the American Revolutionary and Napoleonic Wars.

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.

Primordium - Day ZeroFREE
Fight for survival in a sci-fi RPG! Take control of the Nexus' Commander and gather companions to grow your team, build bases using a vast array of AAA quality models, and customize your arsenal using countless combinations of modular attachments, items, armor, and weapons!

Stardrift Nomads$9.99
Stardrift Nomads is a dual-stick shooter with a focus on cooperative play and retro action. Build and upgrade 12 unique towers, customize your ship to fit your play style, and seize victory with up to 8 players!

Space Pirates And Zombies 2$19.99
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.

Travelers in Space Crack$7.99
Travelers in Space Crack is a survive game in deep space. Explore in different galaxy through space cracks. To find and gather useful resource, to trade and make money are all important to develop your own fleets. And only through build massive fleets, you triumph over the unknown evil forces.

Raiders of Valhalla$12.99
Lead a fearless horde of Viking dwarves, strengthen them with legendary equipment, conquer unknown lands, and witness the colossal destruction they leave behind. How far will you be able to take your warriors? The journey to glory begins now!

Baby Hands$19.99
Hilarious retro parodies! Experience the world through the eyes, ears and chubby little hands of a baby! Crawl your way through a zany retro sandbox experience, filled with imagination and fun! Baby Hands is a funny, family friendly VR baby simulator!

Deadville$11.99
In Deadville, players must face their deepest fears, rely on their survival instincts, and make tough decisions to outlast the apocalypse. Only the most resourceful, cunning, and resilient survivors stand a chance against the relentless zombie horde.

Redout: Space Assault$9.99
Redout: Space Assault is arcade space battle, coupling the trademark Redout adrenaline with the thrill of combat. Outsmart, outmaneuver, overpower, outclass your opponents in lightning-fast, adrenaline-inducing single-player space combat.

Blobkin Blaster$4.99
Captain, the reef has been overrun by monsters! Take command of your Blobkin — the mightiest, tiniest defenders of the sea — in a fight for survival! Build cannons, blast enemies, and collect Blobkin as you restore glory to the sea in this fast-paced underwater VR wave shooter/RTS hybrid!

Spaceship Commander$9.99
Fight in space or on the planets, or just travel the universe. Visit cities and buildings, mine resources, trade with or speak to individuals on the planets. Explore and discover. Buy a new ship, fit upgrades, and hire a whole army of crew!

Dragon Spirits 0FREE
A skeleton from my childhood, the original edition of Dragon Spirits, which I developed in middle school, is a creature collector RPG that serves as the origin of the Dragon Spirits series. I still keep it as a memento. (Almost) no one can make a good game from the very beginning.

AstroForge: Space Pirates$5.99
Build your unique spaceship and explore space. Travel between planets, fight different opponents, trade and develop. Build the most efficient ship and fight with other players in multiplayer. 17 languages available.

Starpoint Gemini 3$29.99
Fight, loot, explore and craft in the living open world of Starpoint Gemini 3. Assemble your trusty ship and boost your RPG skills to face all challenges.

Gaia$19.99
A sci-fi base building survival game, featuring raids, agriculture, intelligent AI, natural disasters and more.

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.

Planet Driller$0.99
Planet Driller is a mining game where you need to find DarkMatter in order to save the earth. To do this, drill your way through a procedurally generated planet full of minerals that you can sell for cash, then use the cash to upgrade your ship and make the job a lot easier!

Pillazon: MMO Drug Lord Tycoon$4.99
Pillazon is an MMO virtual business simulation game where you work as the CEO of a new company. Your mission is to create your own website and build the world's extensive drug empire!

Space Crew: Legendary Edition$24.99
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!

Space Menace$6.99
Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.

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 Haven$22.99
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

Deuterium WarsFREE
Deuterium Wars is a rapid 2D shooter. Create your own aircraft and plunge into heated battle with other players. What awaits you: an extensive role-playing system, craft, trading, and much more on a single server for all platforms.

The Last Starship$24.99
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Alien Colosseum$19.99
Alien Colosseum is a fighter management simulator where you take on the role of Ludus manager. You will be responsible for recruiting and training fighters to participate in the arena. When the fight begins, you then control the fighter and must win against a variety of enemies.

Animal Babysister Fighter : Zombie Coming!$7.99
Zombies and monsters are taking over several planets in the galaxy. As a result, animals are losing their habitats. Your mission is to protect those animals. Use your spaceship to transport the threatened species to shelters on humanity's first star colony!

Blood and Gold: Caribbean!$19.99
'Blood & Gold: Caribbean!' is a blend of economic strategy and open-world RPG, set in the pirate era of XVII Century Caribbean. The game is based on the significantly improved Mount & Blade: Warband engine.

Star Singularity$14.99
A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.

P1R4T3S$9.99
Gather a fearsome crew and sail the space boarding ships and stations, robbing them naked, and shooting whoever stands in your way in the roguelike with RPG elements P1R4T3S!

Space Commander: War and TradeFREE
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.

Drox Operative$19.99
Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Mac.Eons ago the Drox ruled the galaxy through their mighty Operatives. These elite starship captains were trained to accomplish the impossible at whatever cost necessary.

Out of Reach$14.99
You’re a castaway stranded in the middle of nowhere. Storm is gone, the worst certainly not. Look for food and resources, craft gear, make shelters. These are the basics, you need much more to stay alive on this cut-off-the-world, yet not desert island. Build & burn, sail & explore, be Out of Reach!

Gran Vitreous$4.99
Gran Vitreous is a PC shmup that combines classic arena shooter gameplay with the mechanics of a loot driven action RPG. Upgrade your ships equipment and level up as you battle through a galaxy filled with randomly generated encounters.

Pixel Privateers$14.99
Pixel Privateers is a Squad Based Tactical RPG “Loot ‘Em Up” that will send your team of mercenaries through a mysterious wormhole on a quest to gather technology for your employer. An entire galaxy awaits - full of worlds to explore, factions to encounter, and epic gear to collect!

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.

Star Phoenix$9.99
In Star Phoenix you are in the driving seat to uncover the mystery behind the Star Phoenix. Find and upgrade weapons, collect items, level up your character and defeat bosses in this sci-fi RPG adventure.