Top similar games like Gray Goo:

Ranphon is a side-scrolling space shooter where you control a small ship called Phon in a vast and frantic space full of hostile spaceships.

Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

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.

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

In the vast depths of space, lies a man with a dark past. Setting himself apart from that old life, and seeking justice against wrongdoing instead of being the cause of it, Captain Righteous uses the Freedom Fighter, his trusty space fighter to search for and combat the evil Captain Buster!

A New Retro Classic Space Shooter Arcade Game. Defend Earth from waves of martian invaders and flying saucers in this modern version of a space shooter. Go Back to the 1980’s and Blast these Martians Back into Outer Space!

Cyberpunk 3776 harkens back to the glory days of arcade shoot-em-ups. It all begins on a postapocalyptic earth and proceeds into space. Your journey will be a metaphor about life and death, a road that every person has to walk down alone. The only choices you get while on your path to the inevitable end: keep your head up high or forfeit.

Blast and weave your way through enemy fire while managing a wide variety of ship power-ups in this retro style horizontal shoot-'em-up!

Moonless is a challenging side-scrolling platformer in the style of classic arcade games of the 1980s, where you control a helpless astronaut who has been left stranded on the moon, and now has to face an invading alien force to earn a chance to go home.

Remember the golden age of arcades playing a game with all the classic 80's/90's space-shooting features. See how far you can go by destroying all enemy robots that are ready to planet earth attack.

A micro horde-survival roguelike where time only moves when you do! Level up, choose your skills and slaughter thousands of monsters. Jump in the monster-slaying arena and piece together your collection of gear, characters, and stages to become the ultimate survivor!

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s!

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

Classic multi-directional (360°) shoot 'em up. Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses!

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

The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship ‘Trafalgar’ that was stowed aboard the Agano, but the Trafalgar made...

SpaceDRG is a high-octane, motion sickness inducing action game featuring cute pixel art graphics. Fight against the letters D, R & G in a space themed 1980s retro arcade environment.

PewPew! - move, shoot and upgrade!

Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!

A sci-fi retro side-scrolling shoot-em-up / rescue game.

Defeat alien fighters with the ultimate surface-to-air weapon KPO9!

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

Pew Pew Pew, KaBOOM! is a challenging old school arcade game filled with action! Unlock new costumes and enjoy the awesome Chiptune OST as you reach new highscores!

In Infinity Blaster you blast through space, defeat challenging enemies and upgrade your weapons! Compete on the global leaderboard, survive an infinite loop of increasingly difficult foes, and unlock 100 achievements. Can you prove yourself as the ultimate space adventurer?

Star Tank is a shmup with eighties aesthetics, a mixture of styles (Galaga-Operation Wolf). A difficult game that requires great control skills. 20 stages. 5 bosses. Various enemies. Become an expert pilot of a StarTank!!!!

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!

The horizontal SHMUP with a grappling hook. Join a ragtag crew and fight against a Cosmic Destroyer from another galaxy. Dive into a high-intensity shooter with twisting stages, branching paths, brutal enemies. Choose your ship, grab powerful weapons and upgrades - it's time to strike back!

Invaders from the Lost Sectors is classic arcade action. Aliens descend with increasing speed towards your base. Shoot them all before they land. Player controlled settings like guided missiles, rate of fire, enemy speed and more help you customize exactly the game experience that you want.

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.

ZEROCRON is a straightforward, classical arcade Twin-Stick Shoot-Em-Up with a strong Commodore-Amiga-era feel. Blast asteroids and enemies to burning pixeldust!

Your job is to locate and transport the containers to your base avoiding enemies on your way. Your ship is equipped with a hook to carry the containers. This is a physics based arcade game, inspired on the very early classics and with a strong Commodore 64 feel on it.

A modern tribute to arcade legends! This shoot'em up arcade game revives the classics after 45 years with fresh graphics and innovative gameplay. Become a part of Space Ranges Inc. Join now! Get the high score!

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

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.

Fight back against a chaotic alien invasion in this fast-paced retro shooter! Blast through 54 levels, master wall-jumps and dash moves, and take down the mischievous beboks before they overrun the planet.