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Nā ʻOumuamua
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The top results based on the latest update are Veridian Expanse [Score: 0.9], Cosmic Scramble [Score: 0.8] and Astro Mining [Score: 0.8] The top rated games you can find here are Super Sanctum TD [SteamPeek Rating: 5.9] ranked #29, Halo: Spartan Strike [SteamPeek Rating: 5.9] ranked #22 and Halo: Spartan Assault [SteamPeek Rating: 5.8] ranked #4 Also don't forget to check the newest releasesNeon Colony [Release date: 2025-08-29] ranked #33, Galaxar [Release date: 2025-07-22] ranked #8 and Space Rocks in Space [Release date: 2025-04-16] ranked #26 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Space Commander: War and Trade [SteamPeek Rating: 4.4] ranked #14, Halo: Spartan Strike [SteamPeek Rating: 5.9] ranked #22 and Super Sanctum TD [SteamPeek Rating: 5.9] ranked #29.
Pilot your spaceship and out smart hostile aliens to traverse deep space, mine asteroids, explore alien cave systems, make friends, level up and upgrade your tech to save humanity from extinction. Learn what became of Earth and possibly still prevent it!
A grid-based arcade shooter where enemies only move when you do. You have about a second before they break free of the time freeze and scramble your ship's controls again and again. Best of luck. You'll need it.
Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *
Where is Earth is a top-down vehicular combat game. Traverse planets, evading threats and obstacles, in search of your crew. Gather resources to assemble upgrades, landing vehicles, space craft, weaponry and support modules to aid you in your fight against an unknown enemy.
Defend Terra against the onslaught of hostile invaders in this 2D top-down space shooter. Upgrade and empower your ship's different systems to stand a chance against the growing threat. If you fall, Terra falls, and the rest of the galaxy will soon follow.
Escape the alien threat! Unleash searing lasers, fire precision phasers, and launch sizzling plasma bolts. Blast, spin, and cut your way through hordes to unlock your ship's potential as you unveil hidden horrors. Challenge the world, arcade-style, and ascend as the galaxy's ultimate pilot!
Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.
Star Bridge: A Voyage Home is an immersive co-op multiplayer adventure. Stranded on the far reaches of the universe, explore alien worlds, upgrade and repair your ship, investigate space anomalies, engage in trade and combat encounters with extraterrestrial beings on your journey back to Earth.
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.
Seize control of enemy planets in this nostalgic space sim and tower defense game made in the style of classic Flash games. Start by dominating orbital space in starship combat with railguns, defense turrets, and shields. Once clear, land on the surface to build a base and destroy waves of enemies.
Control your Hero to aid your Turrets and Traps in battle in this grim, dark Tower Defense & Action RPG with a scifi-grindhouse aesthetic. Create deadly weapon barrages and fuse together Bleed, Burn, Shock, Freeze, Stun and many more elements to annihilate your enemies.
An action packed strategic space adventure with trading and procedural generation. A space vagabond with a gambling problem must trade and fight off pirates to pay a debt before he is turned into space dust.
Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!
Travel between dozens of stars, harvest resources to repair and upgrade your equipment, meet and negotiate with friendly (and hostile) aliens, and do whatever it takes to stay alive and bring Earth back in this groundbreaking sci-fi RPG.
Travel through an unknown alien world, collecting new weapons to fight alien monsters and upgrading the Time Tank to withstand hordes of unknown monsters.
Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*
Pilot a lunar lander through 100 unique, alien-infested caves! Rescue astronauts, gather crates, and collect gems to unlock powerful upgrades. Navigate treacherous terrain, face hostile creatures, and deliver your precious cargo to the surface in this thrilling 2D adventure.
A strategy builder shoot'em up in Deep Space. Explore the galaxy aboard you B-Type Star Ship. Shoot down your foes to expand your territory. Build planetary facilities, collect resources and raise an Intergalactic Defense Force. Can you save the world from a robotic alien invasion across dimensions?
Become spacefaring merchant in a galaxy filled with diverse planets, each with its own economy, resources, and challenges. Amass wealth and reputation by trading goods, negotiating with factions, and navigating the intricacies of interstellar commerce.
Blast into the chaos of Space Rocks in Space, the ultimate 3D space flight adventure. Pilot customizable ships, explore stunning worlds, and battle through asteroid storms, UFO attacks and endless missiles barrages in this retro arcade odyssey.
Future Weapon is an online space shooter where you can host a server for you and your friends to annihilate the universe together. Grab a gun, grab a spaceship, punch rocks, upgrade everything, and wreck the world. Join The Fleet! https://discord.gg/WN4UJaEc
Embark on an epic space adventure in AstroMiner, where you must build a base, overcome challenges, and construct a space ship to return home from the asteroid belt.
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
Alpha One is a top-down action, 4X-lite strategy game. Each action level is a turn in a strategic conflict as you race to collect resources, acquire upgrades, expand territory and build defenses. All to find a way home!
Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.
Neon Colony is an isometric tower defense game where you build your own road to access and harvest the resources of an alien planet. Deal with the resistance of the local population and fulfill this noble mission for your generous corporate benefactors.
Be NEARLY vaporized, crushed, blown to pieces, flame broiled, and electrocuted using your incredible targeting skills and class 1 fancy flying to keep you alive in this SHMUP that brings back the essence of the classic arcade shmups!
A 2D, top-down shoot'em up with simulation elements, deeply reminiscent of those vector games from the 80s. Blast your way trough space, enemies and mystery. Upgrade your drones. Endure your mothership's AI cynical attitude and survive the most realistic shoot'em up ever!
A prologue to a survival strategy game on the Moon. Contact with Earth is lost, help isn’t coming, and the Sun burns everything in its path. Control your mobile base, gather resources, make tough moral choices—and run into the shadows.
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