Top similar games like KosmoSquad:

Choose your ship and command it against an army pitted against you in this wave-based arcade-style bullet hell space shooter. Fight for as long as you can with powerups acquired through the catalog, and blast through everything in your path.

Earth Space Defenders is a starship twin-stick real-time shooter action game. Experience story of menacing green smoke that plagues whole universe. Supports steam multiplayer and party play with multiple controllers.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

Up to four player retro arcade style twin-stick shooter featuring a colorful cast of monsters inspired by Japanese folklore.

SCHAR: Blue Shield Alliance is a cooperative twin-stick shooter that features a variety of complementing ship classes to choose from. Upgrade your ships, defeat hundreds of enemies, save the galaxy all with some friends from the comfort of your couch.

Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.

Core Breach is a fast-paced, twin-stick arcade shooter in a pixel art style. Play as a Trojan worm virus, outmaneuvering and destroying antivirus enemies. Upgrade your worm with powerful attacks and skills as you fight to breach the CPU core and uncover its secrets

The dinosaurs have brought the fight to the wrong cat’s territory. Mess with MewMew, get the PewPew: It’s time to send the dinos right back to extinction.

Ghostslayers is a wave-based top-down coop shooter where you slay the ghosts with magic and couple thousands of bullets... Or punches, or slashes, or explosions. Use the varied weaponary, spell cards and abilities, combine them together with your allies for more power and get through the city.

A top down twin stick shooter game with a somewhat unhealthy obsession with knockback

Engage in chaotic multiplayer battles in Trigger Fever, a top-down shooter party game. Crush foes solo or with friends, wielding 50+ unique weapons. Show off skills, tactically dominate, and embrace the crazy onslaught!

Fraypace is a local multiplayer top-down space arena shooter for up to 8 players. Choose your fighter, select your weapon, and enjoy the fast-paced and physics-based action with friends or AIs in fully destructible maps.

Talented and ferocious weapon experts needed to eliminate a dangerous mechanical menace that threatens the existence of humanity. Up to six positions available. Benefits include traveling the world to eliminate robots.

Retro pixel-art bullet hell meets arcade action. Collect cards, spin slots, and blast through enemies in this nostalgic roguelite with local co-op

Stranded on a far flung planet, hold out for rescue against alien foes with a variety of guns, lasers, and explosives.

A Local Co-op Zen Space Rock Demolition game. Up to 16 players can play locally on a single screen, collecting space materials to unlock unique ships and upgrades, as well as new features. Drop in/out multiplayer for everyone!

Unidentified Feline Obliterators is a multiplayer arcade space shooter where you play as cats shooting deadly balls of matter in space! Their natural predators are the jetpack dogs, treadmill porcupines, and rocket rats. But what else is out there in space out to get these cats?

Back with new weapons, new enemies, and with more circuits to break than ever! Destroy millions of robots in this free-to-play shooter with up to 6 players.

Ultra Mega Planet Battles is an intense arcade-style, space-based, twin-stick shooter. Players can play by themselves, or with up to 3 friends local co-op or Steam Remote Play (total of 4 players). Select your character, select and modify your ship, then get shooting!

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.

You should simply try out Roboom. We have quite a long description below, you can read if you like, but experiencing Roboom yourself or as Co-op is the best.

Use steampunk weaponry to vanquish the legions of evil and survive until the clock strikes midnight! In this fast-paced horde survival game, each powerful upgrade can help turn the tide. Go it alone, or join another player in your pursuit to outlast the inevitable march of time itself!

Line Defense: A fast-paced action-strategy game where you dodge, react, and unleash powerful abilities to hold the line against relentless enemy waves.

Cosmotrons is a cosmic battleground where skill and strategy collide. Choose your ship and customize its weaponry, engage in epic dogfights, navigate treacherous environments and outmaneuver your opponents in intense, fast-paced multiplayer battles. Are you ready to become a true space ace?

Chickenoidz Super Pre-Party - multiplayer top-down arena shooter for up to 4 players. You can play local or altogether online via Remote Play. Steal the show using an array of incredible weapons, special equipment and even mutations. Smash your opponents to smithereens, rip everything around you.

The world's been flooded. All you have left is your Super Raft Boat… and your friends! Work together to expand your raft while fending off the strangely violent (and wealthy??) creatures of the sea in this multiplayer roguelike shooter. Will your crew survive and reach the Final Island?

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of bullets.

Brutal (one hit kill) twin stick shooter with hilariously fun and clever enemies. Also has roguelite and Sci-Fi stuff.

A physics based twin-stick shooter. Survive as long as possible and get a high score. Use your gravity beam or your gravity mine to destroy endless waves of enemies.

An arcade shoot'em up with unique power-infusion gameplay. Face down an unknown army alone or with a friend in online or local co-op. Navigate the cosmos to save the remants of humanity, or join them in extinction!

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

URG is a retro-style side-scrolling arcade shooter with beautiful 3D graphics and a ton of action with big explosions and a co-op mode for up to four players.

High-speed shmup where survival meets rhythm. Evade waves of enemies to pounding drum and bass soundtrack. Compete globally or battle friends in co-op/PvP. Customize your ship, perfect your run, and claim your spot on the leaderboards.

Engage in heart-pounding top-down shooter action as a skilled operative fighting against powerful mega-corporations in a dystopian future. Unleash a barrage of futuristic weaponry, master tactical combat, and liberate humanity from the clutches of oppression in Shutdown.