Top similar games like Systematic Immunity:
Systematic Immunity $3.99
Systematic Immunity is a challenging precision platformer set inside the human body...and not a particularly healthy one either. This body has been infected by a big, nasty bugger of a germ, who is making it his business to spawn many more germs as fast as he can.
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Listeria Wars$5.9
Listeria Wars is a real-time tactical game. You defend against the pathogenic microbes, attacking an infected organism. A key feature of the game is the parallel viewing experience. In addition to the game process, you can view the life of the human whose body has become the pathogenic battlefield.

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II$12.99
Touhou Makuka Sai ~ Fantastic Danmaku Festival part II is a danmaku shooting game, which is the second part of Touhou Makuka Sai. The repeat of incident is coming again. Can the girls going to the netherworld solve the mystery?

Cells of ImmunityFREE
Become a young white blood cell in training and learn how they mature and fight against invading pathogens. Team up with other types of cells, with unique strengths and weaknesses, and overcome disease for good. To serve and protect the human body at all costs.

REC: Beyond The Lens$1.99
REC: Beyond The Lens is a first-person horror game that tells the story of an unresolved past, with realistic graphics. Explore an unknown location, investigating dark secrets while using a body camera to document every step

Spaceborne Survivors$2.99
Slice, dice and blow up thousands of enemy ships! Spaceborne Survivors is a sci-fi casual game with rogue-lite elements, where your choices can allow you to become a mecha menace against huge enemy fleets invading your space system.

Tiny Bunny: PrologueFREE
Tiny Bunny: Prologue is a non-linear horror visual novel. Those, who have heard the voice of the forest, are beyond help.

AI LIMIT$34.99
In the distant future when civilization is on the verge of extinction, people follow the legend of the Elysium in the last city, Havenswell. In this post-apocalyptic wasteland sci-fi ARPG, you will play as Arrisa, a Blader with immortality, and explore the city ruin to find the hope of a new life.

Cars with Guns: It's About Time$0.99
Travel back in time with your friends in vehicles decked out with guns, lasers, missiles and more. Fast paced vehicle combat for 1-4 players split-screen with up to 12 AI opponents. Points awarded for Stunts and Carnage. Work together to earn Credits to unlock new Vehicles and Weapons.

GHOST: AC-130 Close Air Support$2.99
You are the gunner of the AC-130 Gunship. One of the most lethal war machines ever made. Use your skill with thermal optics and three of the biggest and most lethal guns ever produced to stop the enemy cold. This is a mindless shooter. A game to zone out with. Relax, and destroy.

I don't think I've walked this stretch of road before$1.99
Walk the length of your memories on a lonely country highway. Follow the signal. Return to the place you left behind. Piece together a truth you can live with. A short, ambiguous narrative adventure game.

Tidal Shock$7.99
An underwater arena shooter with a shocking twist. 8 players battle in a classic respawn arena to capture the reactor and boil the competition!

Nuclear Blaze$9.99
A unique 2D firefighting platformer from the creator of Dead Cells, featuring devastating backdrafts, exploding walls, and expected cat rescues. Battle your way through a mysterious government facility, striving to keep the blaze under control.

Coloring Pixel - Fantasy Characters$1.99
Coloring Pixel - Fantasy Characters is an addictive anti-stress pixel art game. Choose from a variety of fun pixel images and follow the numbers to bring them to life. Coloring Pixel has never been this easy!

Heroes & Redemption$2.99
Heroes & Redemption is a rogue-lite bullet-hell where you face hordes of enemies, annihilate them, learn new abilities and enhance your skills. Explore different regions, acquire new companions and embark on adventures again and again.

Secret Enemy : Cosmic fighting$4.99
Embark on an epic adventure in Secret Enemy, where the cosmos is your playground! Be careful with special cells, you will need it to boost energy but not now. Bosses and their soldiers wait for you. Simple to play but hard to master. Can you conquer the cosmos?

Axe Girl$4.99
Axe Girl! The only video game starring a female lumberjack. (As far as we know) Slash your way through fierce foes in this awesome action platformer! Chop to it and kick some axe!

Bounty Battle$19.99
Bounty Battle is the ultimate indie fighting game: a new multiplayer 2D fighter, where you can pit your favourite indie heroes against one another! Indie heroes from games like Guacamelee! and Darkest Dungeon, to Dead Cells, Owlboy & more battle it out in this fighter frenzy.

Dead Cells$24.99
Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat.

Cheap Golf$4.99
A retromodern and surreal minigolf comedy hosted by the infamous AI bot SUSAN. ...//-- Fling up and go FULL BOOP --\\...

HereAfterFREE
Deep in an old forgotten laboratory, a failed experiment reboots from its sleep. With no memories, it now must explore the many different areas of the extensive complex with the help of an AI called MUSE. Will it find the light of redemption it longs for, or will it find a dark and terrible truth?

Hacktag$9.99
Hacktag is a fast-paced two-player co-op stealth-game with unique asymmetric gameplay. Play as the stealth Agent in the field or as the virtually-infiltrated Hacker and work together to carry out espionage missions where nothing goes as expected!

Next Earth: The Journey Trilogy™$0.99
Arcade action meets puzzle adventure. Slow down and speed up space. Collect all the fuel cells. Then get to the exit while avoiding the Octians before the timer runs out.

Rex Rocket$0.99
Inspired by the retro glory days of 8-bit games, Rex Rocket is a traditional 2D platformer brought into the 21st century. Paying tribute to classic NES games like Mario, Mega Man, and Metroid, old-school platformer fans will find Rex Rocket a breath of fresh air.

Virtua Unlimited Project$10.99
Virtua Unlimited Project is a 2D pixel-art style ACT game featuring VTuber characters. With classical platformer gameplay, challenging combat, and retro game feelings, VUP presents you a surreal, virtual world in which you will play as Aizawa Kana to venture and seek the truth beneath.

Trace Vector$6.99
Trace Vector is a modern take on tough as nails, high speed, vector, action arcade games from the 1980's. Turn up the music, navigate your ship through high speed warp networks, maintain your fuel reserves, avoid deadly hazards, and try to safely return home! Quarters not required.

The Travels of Marco Polo$6.99
An Historical Point & Click Casual Adventure. Discover the extraordinary story of Marco Polo. Back from 25 years of traveling, the Venetian explorer began recounting his adventures.

Forgotten Hill Mementoes$1.99
Get ready for a puzzling journey through the memory of Forgotten Hill, can you survive?

Alt-Frequencies$7.99
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows to expose radio hosts, conspiracy theorists and politicians.

One Dreamer$15.99
Manipulate the world around you by editing source code in an adventure game about a burnt out indie game developer's quest to fulfill a lifelong dream.

Star Overhead$0.99
Star Overhead is a short but challenging 2D platformer following a retired military chaplain turned pastor. On his deathbed, he uses his connection to music to process his journey into the great beyond.

Hexer$0.99
You go around you kill the dungeon, you kill more dungeons you do the events, you fight the boss, you progress to the next level, you repeat 3 times, you win the game.

Midway:Sink the Japanese Aircraft Carriers$0.99
This is a Battle of Midway simulation game. You need to fly a dive bomber, dodge Japanese anti-aircraft fire, drop bombs and destroy the carrier. The Japanese gunfire is extremely fierce, please be careful. I hope war only exists in games and I support Ukraine.

Don't Wake GodFREE
Take on the role of Tieface - a dream figment, whose goal is to prevent his dreamer from waking up - if he wakes up, you die! Acquire abilities, outsmart your enemies, and most importantly... Don't Wake God.

Demonic Episode$9.99
In this 4 player first person online co-op horror game, play as a group of content creators who are on a mission to banish a demon back to hell. The advanced, randomized game mechanics offer you and your friends a high replay value.

Hill Quest$12.99
Run, Jump, Shoot, use Jetpack, Dive into the sea and more in this initial adventure, save your dad and in the way the mankind. An intriguing platformer with plot twists what will be used into other products of the same franchise. We use #GoodGuysGameDeveloper philosophy.

NEOTAG LEAGUEFREE
Team up and beat your opponents in NEOTAG LEAGUE, the futuristic sport where sci-fi parkour robots fight for the ball to score points! Jump, roll, wall run, grapple, dodge and attack in this team-based multiplayer game.

Pathogen-病原体$6.99
"Pathogen" is a STG game base on real human body with little Rogue-Like element. You can propagate evolve infect and hide as different kinds of pathogens in human body.

Galactic Storm$0.99
Galactic Storm is a top down shoot'em up. It features distinct weapons, fast action and epic boss battles.

Devil Tears$4.99
Devil Tears is a 2D platformer in which the player jumps over the cells, heading for the exit, blocks fall from above that can crush him, spikes are placed on the levels. You must overcome all levels using your reaction and logical thinking.

Doctor Nanobot$2.99
Small robot, big battles! Doctor Nanobot is a retro style arcade shooter where you take on bacteria, viruses and more using a variety of high tech medical weaponry!

Fury Unleashed$19.99
Shoot your way through the pages of an ever-changing comic book in this fast-paced roguelike. Play solo, in local or online co-op, expand your weaponry, and upgrade your hero with each run. All that to find out why has your creator lost his faith in you and to prove him wrong.

DNA: Episode 1$4.99
The DNA action rpg franchise is created by a solo dev as an episodic side scrolling action hack and slash beat em up, story-driven 2d anime that welcomes the world into the DNA universe. You play as the main character Leo to find his true purpose in life. Thus begins the fascinating story of DNA!

Inside My Mind$9.99
Game - In my mind, this game with a bright main character will reveal to you an incredible colorful world.

7th Domain:Tree of Chaos PrologueFREE
"7th Domain" is a horizontal version action game derived from Roguelike Metroidvania combined with treasure grinding gameplay. You will play a child of destiny who repairs the world and finds the truth of the broken world. You will grow in battle and challenge the unknown and hidden forces.

RUN: The world in-between$9.99
RUN: The World In-Between is a new “Die and Retry” platformer game with a procedurally-generated path. Be fast, jump, and run to unlock new content.

Break my body$4.99
Break my body renews the breakout game genre with tiles to protect, a power to fill up and a paddle that can extend its reach with a repulsive cloud. In this medical breakout, you play professor Brick's assistant and try to treat a hopeless patient.

Ark Noir$9.99
Ark Noir is a resource management-heavy RPG in which you’ll use a wide variety of Perks to build characters to your liking and take advantage of all sorts of seemingly randomly appearing items in order to survive the extreme conditions in which you find yourself.

3 Days in the Abyss$1.99
3 Days in the Abyss is a Biblical based 2D Top Down Action game, where the Spirit of the Savior must traverse through Hell for three days to find the Righteous Captives.

rooMazeFREE
rooMaze is a first person hardcore roguelike with voxel graphics and procedurally generated levels! All of this is powered by Unreal Engine 4. Don't let acute-angled cubes deceive you as behind a simple visual style lies the all-consuming hardcore.

NanoWar: Cells VS VirusFREE
Fight against the viruses and cure the entire body! A fast-paced real-time strategy game of cell conquest. Lot of players already got the bug... ready to defend your cells?

Eon$0.99
A fun, fast-paced, challenging game of cellular conflict.