Top similar games like Welcome To Your Immune System:

Drawn into your PC by an antivirus, control a multi barrel tank in this Action Roguelike, 2D Shooter. Defeat motherboard viruses to unlock new zones. The 'UPGRADE MACHINE' grants enhancements every 1-10 seconds. Use points to add upgrades in this Arcade, Top-Down Adventure.

Survive 10 enemy stages! Shoot 'Em Up style, spaceship game, in pixel art and 8-bit retro music! Evolve your shot to the maximum level, use the energy bar for upgrades, and special abilities! Advance each stage by defeating Bosses and enemies to collect new skills, transformations and extra lives!

Repel the humans! Safeguard the future of all alienkind! Fueled by a large selection of quirky upgrades and power-ups, strengthen the alien alliance to destroy Humanity's Last Hope in this fast-paced retro action-arcade shooter with roguelite and tower defense elements.

With easy-to-master controls, a simple objective, beautiful top-down 2D graphics and an 80’s arcade game spirit, FINAL PILOT is an online multiplayer battle royale set in the deepest reaches of uncharted space.

Dodge meteors, blast space junk, and grab numbers your ship swears are important. Quick, chaotic arcade runs in a storm that’s trying to bonk you. Don’t let it.

Take control of the body’s defense system in this fast-paced action shooter. Step into the role of a powerful immune cell and use precise touch controls to target and eliminate waves of invading bacteria and viruses.

A group of amazing islands need your help! Horrid plastic waste has washed up and you need to sort it out with your trusty Trash Blaster! But look out for the Litterbugs. They love mess and they’re out to muck things up.

Gunbird characters go wild! A new sensation, ‘Block-Breaking Shooter’—combining the fun of block-breaking and shooting games—is here!! Simple controls make it enjoyable for everyone from kids to adults.

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

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

Immerse yourself in this Vertical Shoot 'Em Up 80's Style Arcade, with unique Graphics & Sound. The game includes Ships, Missiles, and Special Weapons upgrades. Shoot enless waves of Viruses, Amoebas, Spores and Bosses. Protect the Containment Wall, do not let the Exuoa virus through.

A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

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.

Riding an extra-terrestrial weapon disguised as a guitar, battle to the bottom of the ocean deep to turn the tides of impending worldly destruction; krill or be killed!

A sleep-deprived scientist must use a broken cleaning robot to contain a biological outbreak he accidentally caused before his wife returns and discovers the chaos.

Shoot your enemies and try not to let them multiply themselves and turn the game into a chaotic space battle! Space Maxwell is an arcade shooter where your spaceship has the ability to destroy or to multiply your enemies. Climb the leaderboard and try to survive as long as you can!

Survive endless waves of escalating enemies in this fast-paced arcade shooter. Dodge overwhelming attacks, master precision movement, and fight to stay alive inside hypnotic neon chaos.

Punch through the cosmos! An arcade-inspired shoot-em-up where you play as an immortal lobster speeding through space.

A fast-paced vertical shooter built for short sessions! 2-Minute and 5-Minute score attack modes with beautiful X68000-style pixel art.

A fast-paced sci-fi space survival shooter where you blast through relentless enemies, upgrade your ship, and climb the global leader-board.

Save Earth from an invasion of intergalactic chickens! Finger-blistering arcade shooting action for one or two players.

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

River Attack is a shootting up style game 2D, which combines harmoniously colored scenes with aerial shooting battle! Evolve your ship to defeat an alien invasion that has the technology to control human combat vehicles. Will you be able to defeat an army of ships to save your girl and the planet?!

Defend the planet from endless waves of alien ships in this retro arcade shooter. Craft the turret to best fend off the alien assault with shotgun, explosive and many more modifiers.

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

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

Olber’s Paradox is a fast paced side scrolling arcade game set in space. Control a living plasma sphere, destroy glowing enemies, discover hidden power ups, and face a boss after every level.

MIX IT! (RELOADED) a captivating Astropilot adventure. Master the physics of light through dynamic gameplay, stunning visuals, and award-winning sound design. Explore, learn, and conquer the universe in this genre-defying educational experience.

X-Force Under Attack brings back all the charm of shmup games from the 80's/90's. It's a frenetic and chaotic space shooter with insane battles against extremely difficult bosses.

MYCOCOSM is a casual arcade shooter and resource manager where you take the role of a newly sprouted seedling. Fight off waves of soil-borne enemies using antimicrobial chemicals, and trade for precious nutrients with wandering fungal spores - but beware their deceitful dealings.

In Attack of the Toy Tanks, across the game’s 60 levels in the main campaign, players must take control of the provided vehicle of war and battle it out across different arenas and be the last tank standing.

Poop Rocket is a casual sci-fi 2D shooter game. Bomb your way through debris and aliens before the poop power meter runs out.  Avoid the debris and aliens, or you'll take damage and die.  The game is controlled with your keyboard.   Use the arrows to navigate and the space bar to drop bombs. 

Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!