Top similar games like Decian:

SCP: Fractured Reality is a co-op VR horror shooter set in the SCP universe. Players must work together—as well as against each other—to survive the many horrors lurking in Site 97’s depths.

Bunker Breakout is a gritty, toon-shaded 2.5D shooter where a desperate father fights his way through a crumbling underground bunker to reunite with his family. Battle unique enemies, scavenge scarce resources, and survive a collapsing world in this emotional, action-packed journey to the surface.

DecayZ Origin is a third-person survival shooter set in a world ravaged by a deadly virus. Explore ruins, fight terrifying mutations, solve story-driven puzzles, and survive with your cat companion. free update adds more content.

Liquidator, you have been re-assigned. Descend into a spatially unstable underground abyss, complete tasks assigned by the C.C.S.R. overseer, scavenge supplies and survive the horrors of the Kaldir conglomerate's negligence alone or with your fellow liquidators.

Hardcore round-based zombie FPS. Fight evolving hordes across five maps, build powerful loadouts, discover secrets, and stand your ground against more than 10 different enemy types that stumble, burn, break, and fly as you cut your way through them.

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!

Explore the depths of a dark, abandoned mine in this ultra-realistic High-Intensity FPS horror game. Blast through flesh-eating spiders crawling everywhere. Challenge your 360-threat awareness and shoot through swarms to escape this nightmare. No turning back. How long can you survive in the dark?

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.

In Cepheus Protocol Project Fenrir, players battle relentless zombie waves as elite Fenrir operatives, mastering Arcade Time Attacks and intense Horde Defense Missions with strategic weaponry and tactics. Dive into exhilarating chaos.

Inspired by the original DOOM, this is a grounded, no-jump boomer shooter. Play as Madeline, a thief invading a desolate, abandoned complex to claim a legendary prize. Battle through a legion of killer rogue-AI-infested toys, find secret prizes. No mercy. Pure old-school carnage.

Scarlet has had enough of the wolves. Blast through a twisted fairy tale brought to life with rubber-hose animation, bizarre weapons, and fast-paced FPS action. Run, jump, shoot, and leave a trail of very unhappy wolves behind you.

Imagine you went to the crapper, and emerged an hour later to a monster apocalypse! Retro first-person shooter action inspired by 90's classics! Old-school deathmatch & co-op!

Hello Survivors, this is little zombie shooter game. With big plans :)

Team based arcade multiplayer FPS for Virtual Reality. Virtual Army: Revolution immerses players into the most gritty and chaotic modern combat experience.

A secret city existed where unknown bioengineering experiments were conducted. The city was filled with scientists, engineers, and mercenaries serving the interests of a shattered syndicate now competing for control of City. The area has become a warzone, harboring unspeakable horrors.

Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

Survive endless zombie waves in this top-down co-op shooter. Eliminate the infected to earn cash, upgrade your weapons, and hold your ground. Play solo or online with friends to achieve the highest score and climb the global leaderboards.

MURDEER is a fast paced & zany FPS inspired by classic boomer shooters. Play as a deer with a gun as you make your escape from SciCorp's high-tech research facility. Find wacky powerups, enhance your gun and your body, and buck your way through enemies as you fight for freedom!

A co-op game about exploring dangerous planets with your teammates, collecting and selling scrap metal to survive from the corporation. Assemble your own robot to help your team in your own way. Never be a “rusty coffin”.

It is a horror game, developed inside the psychiatric hospital Deca. Our protagonist wakes up disoriented, bloody, and unable to remember what she does there. Everything is dark, but she can see corpses lying on the floor and she hears noises, which leads her to think that she is alone.

Bloodlit is a hardcore first-person shooter designed to unite slow-paced oppressive survival horror tension with fast-paced reflex-driven close-quarters combat. Carve your path through the blood and ruin. Regret is for the dead.

Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

Trapped in a decaying prison overrun by the undead, you must fight, scavenge, and survive. Undead Sentence is a retro-style survival horror FPS with brutal combat, atmospheric levels, and zero forgiveness.

Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...

A new, immersive Backrooms game featuring many entities and many levels.

Rail Nomads is a top-down, co-op extraction shooter. Your base is a mobile, armored train. Battle mutants, rebels, and rival players in unique raids through a post-apocalyptic world. Risk it all for the reward!

A dark Metroidvania-style shooter with dangerous bosses and surreal horror. Explore twisted locations, search for weapons, and save your wife from the clutches of demonic forces.

COVEN is a hyper-violent retro FPS where your path of vengeance will take you across time and space. Destroy your enemies and eat their flesh.

Ezekiel is a clasic first person shooter that sticks to the fundamentals: satisfying weapons, eccentric enemies and cool environments. No annoying cutscenes, no cringe-worthy writing, and no taking control away from the player. Just pure chaos, carnage and a killer soundtrack.

The Grip of Madness is a multiplayer cooperative FPS where your teammates can betray you at any time. Shoot your way through hordes of monsters, gather clues, and complete the ritual to stop their invasion.

A lightning-fast boomer shooter where you slaughter terrifying anime alien girls with classic FPS guns and overpowered arcade powerups.

Introducing XENOHIVE, a next-generation Among Us-style game designed for small groups up to massive 20 players. With randomly generated maps, every match delivers a completely unique gameplay experience. As a Crew, your goal is to complete your assigned missions to successfully fix the spaceship.

Vibrant, high-octane 2.5D Boomer Shooter that smashes together the fast-paced action of classics like Doom and Duke Nukem with the mind-bending, non-Euclidean environments of an eldritch prison.

The World Is Pure F.U.B.A.R. Come together and fight with your friends against never ending waves of the undead.. or go solo and take on the treacherous horde alone.

Horde Arena is a third-person shooter roguelite where you survive endless enemy waves. Pick a character, upgrade your stats and weapons, and evolve to dominate the battlefield. Play solo or team up with up to four players in co-op mode.

4-player online co-op, demon-slaying madness. Slaughter endless hordes of demons, either solo or with friends.