Games like Astroflux

Steambirds Alliance is a massively-cooperative bullet-hell shooter! Fly with dozens of your feathered friends in an open world full of cruel cat bosses and endless waves of deadly bullets.

Starfall Online is a real-time multiplayer strategy mixed with wargame. Three rival factions — Deprived, Vanguard and Eclipse rule the world, and you are to become the part of the confrontation between them. Gather your own fleet and embark on a journey through the Galaxy!

Fleet up with thousands of players in The Infinite Black -- The wildly popular online space combat and adventure game! Command massive spaceships, form powerful corporations, and battle it out in never-ending intergalactic warfare!

100 pilots battle with lasers, plasma, and missiles in Allspace.

Mod&Play - physics sandbox. Manipulate objects and create your own constructions with friends. There are no restrictions or goals, it all depends on you.

Break through unlimited waves of enemies and fight unpredictable bosses!

A super fast, twin analogue shooter for the modern age!

Fast Paced, Bullet Hell Retro Shooter! Shoot down enemies and dodge everything. Fight through 17 intense levels with 6 insane boss fights. Do you have what it takes to beat the game?

Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

Again you are alone against the hordes of hostile spacecrafts where you can only rely on yourself. It is the victory or the death!

Load your gun and dominate the best multiplayer mobile shooter game!

Stake your claim, command your fleets, and wage epic war in space.

For victory you need only three tools - Cannons, Lasers and Rockets! Discover a spaceship MOBA game with 2D combat in 3D environment, wide variety of play styles and fun gameplay for casual and pro gamers alike.

Equip your battleship's guns, install faster engines, and increase the power of your reactor. Throw a barrage of rockets on hordes of enemy ships, burning everything in your path!

One fish, four lemurs. Online arcade battles between lemurs on dinghies. Grab your paddles, hop in a boat, and beat up anyone who tries to snatch your precious fish. And don’t miss the chance to fishslap a friend or three!

Live Danmaku interactive game.

A retro mashup of a Galaga-style shoot-em-up and simple platforming action. Made in collaboration with Eisner-award-winning James Kochalka, based on his graphic novel series for kids.

Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

Fight over the Earth-like planet of Seventia and its scarce resources of Septonium. A vertical shoot ’em up at its core with an added focus towards immersive storytelling. Follow the story of Alex and Margaret, two exceptional pilots, for the first time on Steam.

Walk upon a new world and slay foes endangering it. Rogue : Genesia is an action rogue-lite game, where you fight relentless hordes consisting of hundreds and thousands of monsters, make your build, break the balance, defeat bosses and save one of the many worlds.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Space Codex is a casual retro arcade minimal awesome top-down shooter featuring waves of enemy spaceships with different attacks in what is, literally, a bullet hell. To beat them, you will have power-up options available through the map. The game only gets harder. How long can you stay alive?

Classic color match puzzle meets space shoot'em up action! Hop into your spaceship, open a path through huge waves of aliens and other hazards, and face intense boss battles!

Arcade hit Raiden first left its mark on the shooting genre 25 years ago. The easy to learn, hard to master series comes to the PC in its most modern and advanced form yet! Join the war for Earth's future-where the tide of battle holds constant surprises.

Last Space Mission is a 3D Wave Shooter in the space where you are the pilot of a spaceship whose planet has been conquered. Fight back and show them that you are the best star pilot in the galaxy and a cunning warrior.

It's a bullet-hell spaceship shooter. Can you survive the battlefield? Let's prove your shooting skills!

《强军》是一款反应特种作战、兵味浓烈的第一人称军事游戏。剧情上不再只是单纯的军事演习，而是充分结合实际作时的战场需要，逐步融入南海、东海、未知战场等各种复杂战场条件，提高参与玩家对环境、指挥、协同、信息、武器、载具的操作和配合。

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

Distant Space 2 - is an indirect continuation of the first part, in which you will find more dynamic gameplay. Your task is to destroy enemy ships on each level to go to the next of 26 available. In addition to conventional ships, you will have to wait for the boss ships, the battle with which will not be easy.

X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

Project Starship is an arcade bullet-hell with random mechanics. No match will ever be the same. Who will you be? Garret or Gwen? Will you save the world from the mighty cthulhu?

Why play shoot 'em ups one ship at a time? Launch them all at once! Unleash an entire armada of ships in Shoot 1UP!

Intense competitive infinite jumping in space action! Catapult from planet to planet, and use gravity to slingshot your way past danger and across the universe. Continue onwards and upwards, but most importantly, move faster than everyone else!

Search for the legendary lost artifact Nienix through galaxies in conflict! An open world space action RPG adventure that can be played both alone and together!

Test your skill while trying to unlock all ships by fighting on 6 unique maps full of different kind of enemies!

It's shoot-'em-up arcade action at its best! Use an incredible assortment of heavy artillery to blast away enemy tanks and planes, and fight your way to victory. What are you waiting for? Pull yourself up by your bootstraps and get into the action!