Top similar games like Nā ʻOumuamua:

Explore the depths as you drill, craft, and fight to escape from a mysterious asteroid deep in the Veridian Expanse!

Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

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. *

A grid-based arcade shooter where you battle aliens and your constantly changing controls. After every control scramble, time slows down to allow you to react, but you'll need to quickly scramble if you want complete each level before your energy runs out!

Build and navigate your ship as it barrels through space. Machines, pipes, and wiring; all necessities to keep your ship running. Survive and explore.

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.

Roguelike missile command. Survive as long as you can aboard the Ark, humanity's last hope, in a hostile galaxy.

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!

Make robots and spaceships,explore the space,fight with aliens.

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 till you can't then fight some more! A space combat simulator with survival crafting elements.

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 hostile planets in this nostalgic space sim and tower defense hybrid inspired by classic Flash games. Fight for orbital supremacy in starship combat with railguns, turrets, and shields. Then descend to the surface to build a base, deploy defenses, and shred waves of enemies.

Take to the asteroid belt and fly as a rookie mining ship pilot, exploring space and mining asteroids, earning money to save your community on Mars in this story-driven space action game. Your choices and actions will shape the unfolding story, changing the fate of all those you meet.

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.

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.

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!

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.

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.

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*

Travel through an unknown alien world, collecting new weapons to fight alien monsters and upgrading the Time Tank to withstand hordes of unknown monsters.

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 base builder shoot'em up in Deep Space. Explore the galaxy aboard your 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!

Fairspace is an amateur developed open-ended space exploration, trading and combat game. A full and rich persistent universe awaits your discovery.

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.

Star Trek: Voyager - Across the Unknown is a story-driven survival strategy game in which the fate of the iconic starship is in your hands. Take the helm, manage the ship and resources, and make difficult decisions. Will you be able to bring home the ship and its crew?

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!