Top similar games like Drones: Defenders Astartes:

Physics-based space combat where every battle escalates into chaos. Destroy ships, star bases, and hyperspace carriers before they overwhelm you.

Solo Defender is a fast-paced vertical space shooter where you battle waves of enemies, unlock upgrades with Gems, and face epic bosses—including a drone-spawning Mothership. One life, multiple planets, and a secret level await. No ads—just pure arcade action.

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

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

The origin story of a famous roidgrinder. It's an incremental space mining game where you interact with the ship's systems through a state-of-the-art terminal interface. Crossbreed of 2D arcade, lightweight simulation and some idler elements. Note: KEYBOARD REQUIRED.

Caves of Mars is a new 2D sci-fi action adventure space shooter game set in the mysterious caves of the planet Mars. Your mission is to navigate your spacecraft through 100 procedurally generated levels, battle against and destroy enemies and alien lifeforms and collect as many gems as possible.

A top-down roguelite where you pilot a war titan through armies of thousands. Crush infantry underfoot, duel enemy titans, bolt salvaged guns and relics onto your machine and fight your way across the sector to the tyrant at the end.

Star Squadron is a narrative-driven space combat simulator built for maximum immersion. Command your wing with freeform voice recognition and experience a dynamic campaign that calls you by name using our proprietary Voice Mimic System. Don't just play the game—live it.

When the Stars Threw Down Their Spears is a story-rich, retro space shooter inspired by DOS-era space games. Blast your way through fast-paced arcade combat, build out modular, upgradable ships, and explore a galaxy torn by war.

Starshot is a difficult space shoot-em-up with rogue-like elements and randomly generated levels. Will you be able to upgrade your ship and pilot it to safety, or be destroyed in your search for stardust inside the automated production facility?

[ GALACTIC FIELD ] The game story takes place in the distant 24th century future interstellar era, where 3 different factions compete with each other. It supports PVE PVP EVE mode gameplay, and also provides the game's unique squadron fuse mode gameplay and gameplay detail adjustment system.

Fight endless waves of enemies in a fast-paced roguelite space survivor. Build devastating ship combinations, unlock powerful upgrades and survive the void.

PewPew! - move, shoot and upgrade!

Fight against an ever-evolving threat in this skill-based twinstick shooter 14 years in the making.

Intergalactic Defenders is a retro pixel art space shooter with rogue-like progression, handcrafted levels, deep ship customization, and intense arcade combat. Defend humanity against an alien invasion across the galaxy.

Planetary Defense - defend the Earth from attack!

3D Sci-Fi arcade Shoot'em up game. Destroy asteroids and aliens. Shoot them all!3D arena shooter with multiple worlds. Spaceship simulator and shmup arcade style game.

Race through caverns while blasting away enemies and terrain to reach the depths of Mars in this reimagining of the 1981 classic.

Ω-SPACE - The last dimension you can reach

A fast‑paced symphony of destruction where you are always outnumbered. Survival demands constant motion, sharp evasion, and smart arsenal management.

Explore the remains of a dead god as an AI trying to find your way back to your crew. Scavenge equipment, recruit allies and face powerful foes in this sci-fi roguelike adventure.

Drift through escalating asteroid chaos in this high-speed arcade space shooter. Master inertia-based movement, survive overwhelming destruction, and battle alone or with up to 4 players in frantic co-op and versus combat.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

The second title in the Whisker Squadron universe takes the fight to the cosmos! A free roaming roguelike featuring tense battles in open space, sprawling Swarm factories, remote stations with quests and shops, moons infested with bosses, and a fantastically colorful vision of outer space.

A fast-paced roguelike space shooter where every credit counts. Fight through dangerous sectors, upgrade your ship mid-battle, and convert your earnings into permanent power. Because when you die, you keep what matters.

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

Extinction 1306 is a top-down roguelike shooter. You are the sole survivor after a failed experiment. You must fight off mutant insects, explore the abandoned lab, level up and find upgrades to improve your skills, and defeat bosses to reach a final threat standing in between you and saving Earth.

Meteorite MinerIn this thrilling 2D space mining game, you'll take on the role of a daring asteroid miner. Armed with your trusty mining laser, you'll blast through space rocks to extract valuable minerals and resources.

Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

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.

Starbase Gunship places you in the seat of a weapons officer on a state-of-the-art Gunship as you defend a remote outpost from an Alien invasion fleet. With access to laser cannons, missiles, miniguns and nuclear warheads, you are the last line of defense between humanity and the alien invaders.

Spaceslingers is a mind-bending gravity-based game, where the only obstacles between you and your goal are the most powerful celestial objects in the known universe!

Fire up your CRT monitor and dive into this cassette-futuristic space adventure. Battle hostile ships, strange fauna, and an obtuse user interface while serving the whims of the Apex Corporation. Uncover the meaning behind The Astra Protocol as you explore a vast, volatile cosmos.

Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!