Top similar games like Cosmic Ray:
Cosmic Ray $2.99
A game about exploring space in search of hospitable planets for colonization. Casual gameplay and short rounds make it a great option for killing a few minutes.
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Quantum of Hope$1.99
Humanity is (not) doomed. Use your Skills and excessive firepower to shoot your way through alien swarms and rescue mysterious Princess in distress.

RockjackFREE
A retro-inspired 2D space shoot-em-up. Mine asteroids! Shoot alien saucers! Get rich or die flying!

Cosmotroid$7.99
Escape from the asteroid X-474 which has been invaded by aliens. Take your weapons and destroy every enemy who tries to stop you in this amazing arcade style third person shooter game full of action, creatures and explosions.

The Indie Game Legend 3D$9.99
Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!

Return to Planet X$9.99
Return to Planet X is a close combat FPS in which you will have to smash tons of alien bugs.

Spaceman Defender$1.99
A New Space Shooter Arcade Game. Defend these Little Spaceman Dudes from Aliens! Blast your way through waves of Alien Abductors and UFOs while defending Spaceman Dudes from being abducted in this fast-paced 80’s style arcade game.

Astero$4.99
This game is about flying in space. You must destroy asteroids from the explosion of an object near the planet Jupiter. You will also encounter other extraterrestrial objects and even UFOs.

Super Arcade Boy in Goodbye Greenies$1.99
A Retro Style Classic Shoot'em Up! In this second installment of the series, fly Super Arcade Boy through 8 levels while defeating waves of aliens and big bosses. Have funny conversations with the alien leader you are destined to defeat, then save the planet from this massive alien invasion!

Invaliens$2.99
Retro arcade classic, Defeat a million invaders from another dimension in this side scrolling shoot'em up.

Pink Devil$2.99
Join the fight against alien invaders in Pink Devil. Pilot an upgradable fighter jet through diverse environments, from oceans to deserts. Face unique bosses with distinct tactics and use weapons like machine guns, lasers, and rockets. Become the unstoppable Pink Devil and save the planet.

Cargo Commander$4.99
Alone in space, light years away from your family, armed with only your Fistcannon™; you are Cargo Corps' latest recruit, a Cargo Commander.

Captain Kaon$6.99
Captain Kaon is a retro twin-stick gravity shooter inspired by 1980s classics such as Thrust and Gravitar. Captain Kaon pairs vibrant Amiga-style pixel art with a tight twin-stick control mechanic. Relive this forgotten shmup sub-genre!

Die Bloody Nazi Die!$4.99
Die Bloody Nazi Die! is 2D CASUAL twin stick shooter randomly generated dungeon crawler with rougue-lite elements. Follow the alien named Kin in his fight to free Sirel, his love, and defeat the regime!

PsychFREE
Play as Psych, while he escapes from a research facility run by evil slugs as they attempt to harvest him for his psychic powers. Face the evil slugs and survive the lab! Watch_out_for_Failed_Experiment

FullBlast$4.99
Blast your way through waves of alien invaders in this retro style shooter with modern visuals. Collect power ups, destroy the enemy ships and defeat the mega bosses in 12 action packed levels. On your own or with a friend in local co-op mode.

Xentron Attack$0.99
Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

Infested: Space Colony$4.99
Infested: Space Colony is an intense action top-down shooter in a dimly-lit environment where aliens roam in shadowy darkness. Explore various sections of the colony ship. Hunt down aliens before they hunt you down.

Bad Chicken$9.99
Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

Hive Jump 2: Survivors$6.99
Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

The Battle of Aurinoxia$2.99
A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

Xappy Ship$3.99
In this classic retro arcade-style space shooter, you'll embark on a thrilling adventure through the cosmos, battling against an onslaught of alien invaders and formidable bosses. With its pixel graphics and pulse-pounding soundtrack, Xappy Ship is a love letter to the classic space shooters.

Escape the Kreegan$4.99
Escape corruption and deliver truth to the people in the only way you know how. as a space fighter pilot! You steal a ship and flee, it falls to you to duke it out in space and deliver truth to the people. Restore peace. Restore justice. Save humanity and Escape The Kreegan!

Devastation - Annihilate the Alien Race$2.99
Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.

Reassembly$14.99
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

Switch 'N' Shoot$3.99
Endless arcade action with just ONE button - Switch directions whenever you shoot!

Starfighter Neon$0.99
You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Star Valor$24.99
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

Project AETHER: First Contact$12.99
As a threat from beyond looms over the solar system, take control of the AETHER prototype in this rhythmic and tactical space shooter - fusing classic arcade-style action with stunning 3D environments and an engaging sci-fi story.

ASTRO ACE$2.99
ASTRO ACE is a retro-style addictive arcade space shooter. From the distant universe, an evil alien fleet is invading the solar system. You will have to ride a powerful spaceship and fight against endless waves of enemies.

Blackwind$24.99
Blackwind is a top-down sci-fi action game that puts you in the shoes of a teenager trapped inside a prototype battle armor suit during an alien invasion. Face off against enemies, cut through their ranks, and fight back to stop a planetary invasion.

Alien Wall$3.99
Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!

Stellar Space$3.99
Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

Jack Big Chin: Alien Invasion$2.99
Save humanity! Help Jack Big Chin defeat the alien invaders, in a hard action-adventure game with 3D platform elements, where you must improve your weapons and activate cannons to complete your missions.

Arcade Classics$0.99
Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Space Mercenary Defense Force$4.99
Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!

Gratuitous Space Shooty Game$3.99
Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

Gunstorm$8.99
Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.

Alien Outpost$6.99
Alien Outpost an adrenaline-pumping 2.5D twin-stick shooter places you at a remote outpost besieged by relentless waves of alien invaders

Transcendence$14.99
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.

Scavenger SV-4$14.99
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.

Power Gunner$0.99
Gun your way towards survival in this action arcade adventure! Use your fuel supply to find upgrades to your ship and collect more fuel to keep progressing against harder and harder foes! Classic arcade action with a unique control scheme to pilot your ship.

UFO : Brawlers from Beyond$9.99
"UFO : Brawlers from Beyond"! A fast action multiplayer shooter set during an intergalactic televised tournament where EARTH has been chosen as the BATTLEFIELD!

Silent Sector$14.99
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.

GUNPIG: Firepower For Hire$0.99
Sci-fi top-down twin-stick shooter with 9 weapons, 3 alts and secret hidden collectibles!

Alien Death Mob$1.99
Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!

Captain Jackson$1.99
Dynamic 2D retro, pixel-art, shooter. Fly fast, shoot accurately. Fight back the Rivanirs invasion. You are the Captain Jackson, you are their Doom.

They came from another planetFREE
A twin stick, fixed shooter, bonus hell, pixel art, shoot 'em up. Aliens have invaded and you, a blue housecat with a stretchy head, are, of course, our last hope. Fight the aliens on earth, under the ocean and in space in this risk/reward based fixed shooter inspired by old school shoot 'em ups.

Solomon Snow: First Contact$4.99
Sometimes when you come to work the Solar System is under attack. From all the places on Earth, they just had to pick your office as the landing spot. Navigate the maze of narrow corridors, rescue the survivors, lead the team, solve environmental puzzles. Oh, and EXTERMINATE THE ALIEN SCUM, please

Greedland$10.99
"Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!

Spelp$4.99
The SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.

Survivors of the Dawn$7.99
A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.