Top similar games like Radiation Hazard:

A fast-paced sci-fi shooter where a failed experiment unleashes mutated horrors inside a secret research facility. Armed with experimental weapons, you must fight through swarms of twisted enemies, and survive the collapse of a world-breaking project.

Locked into a deadly lease, you and up to 3 friends must scavenge the sewers, face cryptids and stalkers, and fight to keep your sanity… all to pay the rent.

In SCP: Directive Nine, you’re authorized to weaponize SCPs in a frantic 2–4 player co-op FPS. Gear up with anomalous utility, tackle challenging puzzles, and go toe-to-toe against otherworldly horrors.

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

Medieval co-op PvE extraction shooter. Enter sealed quarantine zones. Fight infected enemies, recover powerful relics, evacuate civilians, destroy the plague source, and use fortified positions to heal, resupply, and hold back the monsters. Once the contract is complete, extract alive.

Voidseekers is a 1-4 player co-op horror FPS. Shoot, salvage, and survive as you explore corrupted ships in deep space. Get in, take what you can, and destroy the ship to contain the breach, but beware the horrors that seek in the void.

6-player co-op survival horror at its finest! Cyborg, monsters and aliens. Free updates

Tear through endless waves of supernatural enemies in this co-op horror horde shooter. Play solo or with up to 4 players, unleash god-like Miracle powers, supercharge your arsenal, and survive devastating boss encounters on Sker Island.

A world where the living envy the dead. Cities are plunged into darkness, the world into silence. You are part of the extraction team, but this time you are trying to save not just people, but humanity itself. Gear up, trust your comrades, and dive into the darkness to save humanity!

Embark on a covert mission to the dinosaur theme park Prehistoria, where you must explore the park's grounds to scavenge resources, solve puzzles, and fight your way through diverse biomes, underground tunnels and deadly enclosures. But beware, you are not the apex predator here.

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

First-person survival game set in the early stages of an apocalypse. Explore urban areas filled with brainless demons. Find what you really want or become one of THEM.

Zombie Demolition: Infinite Zombie Shooter is here to scratch your FPS itch! Pick a weapon of your choice and start blasting endless amounts of zombies. The game has 3 game modes and Vampire Survivors mechanics! Solo or multiplayer up to 4 players!

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.

Hunt down waves of vampiric freaks with friends or on your own in this brutal but fair horde roguelike fps. Explore, upgrade and find secrets to overcome the intensifying challenges thrown at you by a future that never was. Shoot, die, repeat.

Eat weapons, be scared and question your own mind in this Survival-Horror FPS Prop Hunt Roguelike about meat. Golden Light of Rose is a story prequel to Golden Light which follows Rose during her first time in the gut.

It is a survival horror game that can be played solo or with up to 4 players. Gather as much food as possible to survive—but not all food is normal.

A short, tense 1–4 player co-op descent game built around slow, tactical combat, scarce resources, and rising pressure. Survive compact underwater dives and extract before the threat overwhelms you.

Backrooms: Liminal Conflict is a PvP game featuring different factions, a complex multi-layered map, and multiple paths to escape.

"ZOMVIRUS" is a first-person zombie apocalypse survival shooting game set in Hongdae, Korea. Within the quarantined zone, gather survival supplies and weapons to protect yourself from zombies, and move to safe zones to stay alive. the zombies won't wait for your transformation.

BPROOF is a tactical survival game featuring wave and scenario modes. Survive enemy hordes, find equipment, complete objectives, and escape under pressure. Play solo or in co-op and face constantly evolving challenges.

This game is a roguelike where you continuously fend off zombies by upgrading your gun. Survive the waves of zombies storming the house with your allies! As the days pass, more zombies will appear, including powerful ones, but you will grow stronger too.

Play alone or team up with others and try to survive while a demon and its minions try to kill you. Your goal is simple. Escape. This might sound easy, but dealing with evil entities is a dangerous business!

DEEP ROCK GALACTIC: ROGUE CORE is a 1-4 player co-op FPS action roguelite featuring sci-fi dwarves, alien horrors and procedurally-generated caves. Join the elite dwarven Reclaimers and fight through perilous mining facilities infested with deadly Corespawn. For Rock and Stone!

S.M.P.C.U. is an online co-op horror game for up to 4 players. As a member of the "Special Monster Pest Control Unit" your job is to remove extraterrestrial Monsters that have infested the pantries of fast-food restaurants. Work together to find them, trap them and get out. Don't wake the Monster!

Hunt for monsters through creepy dungeons on your own or with a squad of up to four in this sci-fi horror-based shooter! Navigate treacherous traps and escape the planet once the job is done. Purchase various kinds of equipment to make sure you and your squad are ready! The Main HQ will be watching.

Survive the living dead for as long as you are able! Room Invaderz is a wave-based survival game where you and your comrades kill zombies, earn points, and do your best to upgrade your arsenal to see how long you can delay the inevitable.

PURGE - THREE VS BLOOD offers an exciting arena zombie apocalypse. Fight zombie waves with up to 3 players, unlock ranks, maps, characters, as well as weapons and traps.

Strike Team Delta is a gripping first-person shooter set in a post-apocalyptic world. Battle hordes of undead, team up with friends, and reclaim our world. Survival is in your hands.

Bodycam: Deadsplit is a gritty online co-op multiplayer shooter for 1–4 players, where you face relentless zombie waves, hold your ground, and beat the clock.

The Corrupted is a high-octane sci-fi PVE shooter defined by satisfying progression and intense boss encounters. Plunge into battlefields consumed by the Anomaly, fighting through relentless swarms, elite hunters, and colossal bosses.

A co-op horror FPS about daring heists in a city full of zombies. Because, you know, they don't need money anymore, but you do! Multiple ways to approach each heist and randomly generated elements await you. Gather your team and get ready to rob the dead!

Dive into broken minds, with up to 3 friends, in order to stabilize them. Pick the correct path, solve puzzles, pay attention to your surroundings, all while making sure the patient's mind doesn't go to the point of no return, because if does, you'll be facing their worse traumas and nightmares.