Top similar games like Celtreos:

DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.

Pick your guns, grab your beer and blast your way through hordes of enemies on this run and gun game as a member of the Brotherhood who leaves no friend behind. Show your enemies that no one messes with the Brotherhood. Unite the Brotherhood !

Gear up for an intergalactic thrill ride! Space Elite Force is a frenzied space-shooter packed with weapon customization and epic boss battles. Take command of your ship and fight for the survival of humanity!

Space Elite Force II is a frenetic space-shooter with weapon customization and insane bosses battles. Embark in your ship and fight for the survival of the human race!

Blast-off is a hardcore jumper/runner/shmup, where your alter ego will be a ball of anti-matter seeking to leave our Universe. Anti-matter is extremely difficult to exist in our universe, because when it contact with matter it annihilates.

Xenoraid is a vertically scrolling shoot'em up with procedurally driven missions and detailed shooting mechanics. Modern features such as real time fighter switching and squadron management make Xenoraid a fresh and thrilling shooter!

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

ASTRO: The Beginning is a dynamic side scrolling shoot 'em up about a close-knit space team caught in a clusterf*ck of epic proportions.Unravel the evil plans of your foes and secrets of world order while taking down various types of enemies and engaging in crazy boss battles.

The UNFP's been kicked in the teeth by a G'ell invasion force and their last and only hope is a planetary outpost and its fleet of experimental DSP MkI Forward Assault Fighters and anyone marshal enough to strap into one and forcefully accept some apologies.

The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

Dive into 'Eternal Reverie,' a team-based roguelike shooter exploring the mysteries of an eternal war. Solo or in co-op, navigate diverse planets, pilot unique ships, and customize with 80+ upgrades. Unveil secrets on branching paths to increase your roster and discover the truths of the universe

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!

Space Force Squadron is a horizontal 2d shmup. Choose between 4 pilots with different spaceships and different attributes. Buy upgrades for ships using points earned in battles. This is arcade style game, meaning there is no possibility to save.

Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!

The definitive 'Turbo Edition' of the easy to play hard to master space blaster. Bringing more game modes, ships, challenges, upgradable power-ups and frantic retro space blasting fun than ever before. Alone or in co-op you’ll keep coming back to unlock ships, upgrade weapons and beat your high-score.

A retro shooter with a new power: the power to become any ship.Lost in the depths of space, you are a being of pure psychic energy with the uncanny power to take over and control anything you see in order to survive.Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies.

Jets'n'Guns is a heavy piece of ground shaking rock blasting action with graphics and special effects that will blow you eyes out! Enjoy yourself in almost-insane action adventure of saving the universe from the deadly threat of more than 270 unique monsters in the campaign of 43 levels.

Shoot your way through a thrilling action adventure of 120 waves in 4 different game modes while fighting against waves of enemies and 12 extreme bosses. Save the world from The General by yourself or with a friend locally and play 10 different Challenges.

Vortex Attack is a frenetic arcade space shooter featuring worldwide tournaments and an intense local multiplayer mode.A worthy successor to Galaga for the XXI century.WARNING: Highly addictive.

Shoot' Em Up, Vertical Fast & Fun !The Overdriven Ship is back :More better, more intense, and more beautiful !

Grab up to 3 friends and defend the sun from swarms of enemies in this local coop twin stick shooter. Siphon energy from the sun and shoot as many attackers as you can to claim the high score before it explodes! Fight over experience and upgrade your ship to keep up with the ever-mounting pressure.

Shoot ’em up, with beautiful 2D pixel art, addictive shooter gameplay, classic levels and weapons that will let you perform a symphony of destruction of the alien base in the black eye galaxy.

CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.

Zunius - A Psychedelic Rogue-Like Bullet Hell. Beneath the stars, the moon and the infinite you will navigate this celestial journey as the mysterious traveller. Whom are you? Where are you? What is the nature of this universe? How can you possibly dodge all these bullets? Play this game to find out.

CometStriker DX is an arcade action shooter featuring dodging, strategic power-ups and intense boss fights!

Start a Rebellion! Lead your ships to take down the evil O'Xelg base in this squad-based shoot-em-up!

Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.

The world really does revolve around you in this mind-bending shooter where changing your perspective could save your life.

Bezier is a dual stick blaster set inside a vast computer built deep underground. The story traces the principal's escape from this "Noah's Ark" gone wrong. A simple shooter on the surface, the deeper narrative pulls in his relationship between evolution and god, family and love.

Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.

Space shooters never die. 1993 is a testament to that. 1993 is a classic shoot em up celebrating games like Gradius, R-Type and Life Force.

Silly Squadron is a retro-futuristic take on Space Invaders, the arcade classic from 1978. It has all the Soiree ingredients you're craving for: fast action, addictive gameplay, strange boss fights (including a mighty middle-aged man) and a seriously sumptuous soundtrack.

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

GUNKID 99 is a fast and frantic 2D arena-shooter that will seriously challenge your skills and reflexes. Craft your own unique play-style and develop crazy combos​ with numerous weapons and abilities at your disposal! Lay waste to endless hordes of enemies and get that top score on the Global Leaderboards!

STURMWIND EX is a shoot-em up in the tradition of old arcade games. If it moves - shoot it!

Galaxy is in danger with hostile ships swarming from the opening vortex. Blast enemies with huge variety of upgradeable ships. Frantic arcade shooter featuring world leaderboards and fun multiplayer mode will keep you playing until all ships are unlocked; galaxies saved. WARNING:VERY_ADDICTIVE