Top similar games like OSIRIS:
OSIRIS $3.99
Dark history about OSIRIS corporation, which performs experiments in the field of teleportation of human souls to the Heaven on the artificial planet G6. Inspired by Deep Dark Dubstep music.
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25 Cadre of Death$5.99
The dead city of Time Beach, in the American state of Misuri, generates a sense of fear and loneliness. This city and its districts are completely cut off from the real world. The main character is Caleb Ridus, having got there for not understandable reasons, it is necessary to understand what happened in this city.

Everlasting Guilt$14.99
if you’re into Doom, Furi \ Titan Souls, this game will fulfill your needs with its FPS, fast-paced gameplay that heavily focuses on Boss fights, each with a unique approach that has its own mechanics, and a load of enemies to unleash your anger and test your arsenal upon.

Parabolus$4.99
Parabolus is a 3D space shooter with rocks in it. Kinda like Asteroids, if it took place in a Tron maze and also had a squad of enemies waiting to pounce on you around each corner. Clever thinking and quick reflexes are needed to get through this amazing sci-fi adventure.

Blood MetalFREE
Blood Metal is a brutal, experimental, single-player project featuring a full body-destruction model. This was one of the first games I ever created with my Youtube community. Please enjoy it completely for free on Steam.

Perilous Warp$14.99
Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

Voltage$9.99
RETRO RAMPAGE FOR PC! Set in the town of Frontier, Missouri, in the 1980s, young man called Mark finds a prototype of VR-glasses. And to his surprise, the glasses are compatible with his Amiga 500. He launches a game and step in to an incredible adventure..

Estranged: The Departure$5.99
Estranged: The Departure follows the story of a fisherman, stranded on a mysterious island during a violent storm. Little does he know his adventure has just begun, and the island is home to more than it first seems.

Space Ops VR: Reloaded$14.99
Space Ops VR is a tournament in which Space Ops train their elite soldiers to fight for Earth against dangerous alien life around the galaxy. Space Ops VR, a brand new First Person Shooter can be played either in solo or co-op modes. PvP modes will also feature 1v1 duels or 2v2 team battles.

Alien Shooter TD$9.99
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

Freedom Isn't Free 资本之乱$4.99
This game is only for those who willing to take challenge or hurt themselves.

Oculto$2.99
A mining space station doesn't respond to communications. An investigator tries to find out what happened to the crew. Oculto is a zero-gravity narrative action adventure full of danger and mystery.

The Homestead Invasion$8.99
Shore up your home, take up arms, and hope the night ends with this terrible enemy returning from whence they came. Reclaim and defend your outpost against an onslaught of monstrous invaders using whatever you can to keep them at bay.

Invasion 2037$9.99
Become a survival scientist in a savage post-apocalyptic world where aliens have the control of the world and find a cure, manage your shelter and fight to survive

Geeksos$3.99
Survive in a city controlled by a game corporation. Residents have to buy DLC for every unfinished product, developers are forced to make endless sequels, and lootboxes are now sold even at the grocery store. Stop the madness or join it in the cybernetic stealth-shooter Geeksos.

Space Battle VR$9.99
Space Battle VR is an action shooter set in space. It supports VR controllers to give you a real feel how it is to be a spaceship pilot. You can truly feel the cosmos with this game. Jump into an awesome adventure, help mankind, win a war, bring freedom and happiness to the universe. People need you!

Death Slayer V$4.99
A virus has escaped a secret lab ran by the Eibmoz Corporation. Everyone is infected... including yourself. You have minutes before you die from the fast acting virus and turn into a "Zombie". There may be a way to stay alive... but it wont be easy!

Star Legacy VRFREE
Star Legacy VR is an immersive virtual reality shooting game that incorporates intriguing Roguelike elements into gameplay. Players assume the roles of interstellar guardians who venture across diverse planets and traverse through various time zones.

Aeon$9.99
A primitive god in ancient Greek mythology who controls time, is resurrected in the virtual world, Inspired by "The Matrix" and "Deadpool" (remember,the slower you move the slow time goes)

HordeZ$16.99
If you are looking for a on-rails arcade experience that blends between classics like Doom, Left 4 dead and House of the Dead then we got you covered! Fast and simple gameplay that will bring you into a creepy world of zombies and demons. Show your skills to the world through our global leadboard system!

Days Of Purgatory$24.99
Days of purgatory is a roguelike co-operative FPS that will challenge the most veteran of players with overwhelming hordes of demons. Journey through the infested zones to find supplies that will aid in surviving another night.

Hellbound$14.99
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

Bloodhound$12.99
Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.

Turbo Overkill$19.99
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!

Gorytale$4.99
Gorytale is a fast-paced, adrenaline-rushed FPS shooter set in a candy land, that is so damn sweet it could be called someone’s Hell

Interstellar Marines$9.99
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.

Cold Cable: Lifeshift$0.99
Take role as a survivor in COLD CABLE: LIFESHIFT, a 3D First Person action-puzzle game, with survival elements, where you have to gather supplies, control radiation level and shoot monsters on your way to reach the next level. If you want to play this game, get ready for the chaos.

Dino Trauma$12.99
Dino Trauma introduces you to a secret laboratory somewhere in eastern Europe where gore and dinosaurs aren't unusual things. Retro FPS inspired by the '90s legends.

Airtight City 密闭之城1.0$1.99
This is a TPS, horror-type action shooting game. The game will draw players into a terrifying dark world with detailed atmosphere rendering and weird story. Here, you are not defenseless, but even with a gun, you can't suppress the trembling from the heart. Game revenue is used for 2.0 development.

Dead Effect 2$11.99
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

Big Byz Wars$12.99
Big Byz Wars is a sci-fi 2.5D side-scroller set in a mysterious future where flying cities provide refuge.As a mercenary, defend the largest flying city, Byzantium, facing fierce enemies.With cool graphics & immersive gameplay.The game takes you on an action-packed journey through a dangerous world.

Masked Forces 3$4.99
Welcome to Masked Forces 3, the ultimate FPS simulation! This is a game where you can test and improve your shooting capabilities against multiple game modes.

Dead Effect$4.99
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!

RUINER$19.99
RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.

THE MULLER-POWELL PRINCIPLE: ForewordFREE
This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.

RED NIGHT$0.99
In RED NIGHT, you play as Tess and face a demonic artificial intelligence in a horror anthology game. Each level explores a universal fear through unique and chilling worlds.

ENYO ArcadeFREE
ENYO is trying to let go of an old Dystopia. It's also a 2d action platformer that does not require destroying things.

Astebreed: Definitive Edition$19.99
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.

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.

Dark Invasion VR: Doomsday$12.99
A terrifying, brutal horror VR shooter adventure with quests, zombies, mutants, and guns! At the onset of the apocalypse, you find yourself inside an old bunker. You must fight your way with full force through the ranks of the undead army of the Dark Invasion to find a way out of that forsaken place

There Is No Tomorrow: Revived Edition$9.99
There Is No Tomorrow is a 3rd person retro-anime action-adventure survival game with a talking doll companion. Leon traveled into the future where humans are at a brink of extinction due to the 'RA'. Choose your approach, Stealth or Action with multiple story endings.

Waxworks: Curse of the Ancestors$14.99
Take the ultimate quest and discover the secret of the Waxworks! Embark on the fight of your life as vicious creatures, and mutants are ready to rip you apart. This gory horror game has no mercy and dares you to enter its ghastly world. Will you rise to the challenge or die trying?

OM6N$14.99
A Brutal, Action Horror FPS. Fight for your survival against a malevolent omen that has awoken. Will you stop this Evil... or fall victim like the rest?

Arizona Sunshine®$19.99
Built exclusively for VR, Arizona Sunshine® puts you and up to 3 fellow survivors in the midst of a zombie apocalypse. Survive solo or in co-op, handle weapons with real-life movements, and explore a post-apocalyptic world in VR. Putting the undead back to rest is more thrilling than ever before.

Kronostasis$9.99
A fast-paced FPS following a sci-fi story taking inspiration from Greek mythology and blending it with fantasy elements. As a security robot aboard a deep space mining vessel, you must face an unknown threat when crewmembers start turning into creatures of ancient myth.

12 is Better Than 6$9.99
12 is Better Than 6 is a dynamic top-down shooter with stealth elements, presented in a Wild West theme. The story puts you in the shoes of escaped slave fleeing to the United States in 1873.

Ghostship Chronicles$24.99
Prepare to board the Heckel and Thomas as a Black ops CDF detachment who were sent to investigate the disappearance of the long lost colonization ship. Keep your team teammates alive to evolve more stories and stand a chance of survival with 3 different endings.

Evil Beneath$1.99
In this retro PS1/PSX style game. Play as a investigator stranded in a zombie and monster filled mansion and forest. You will encounter horrifying creatures ready to devour you alive. All while trying to make your escape and discover the terrifying truths before it's to late. Will you survive?

PATHOGEN X$9.99
An immersive, first-person survival shooter where you step into the boots of Special Agent Aiden Clark. Dive deep into a hazardous underground laboratory, tasked with the perilous mission of neutralizing a biological menace and securing a pathogen sample.

Don't Be Afraid$9.99
Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…

SUPERHOT$24.99
SUPERHOT is the smash-hit FPS where time moves only when you move. No regenerating health bars. No conveniently placed ammo drops. It's you, alone, outnumbered and outgunned. Snatch weapons from fallen enemies to shoot, slice and dodge through a truly cinematic hurricane of slow-motion bullets.

Space Survivors I: The Reckoning$2.99
Hello Space Survivors, this is little shooter game. Which is now most about shooting zombies but pvp will hopefully follow. Please also read the long description.