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.

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

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.

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.

Face relentless zombie waves in a decaying underground bunker. Fight solo or in co-op for up to four players. Build barricades, unlock new passages, explore and survive as long as you can.

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

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.

"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.

Tung Tung Tung Together is a co-op (1–4 players) survival horror set 10 years after Tung Tung Tung Survival. On the 1 km × 1 km Little Sahur Island, find items to repair your boat and escape while being hunted by the relentless Tung Tung Tung Sahur.

Fight, move and adapt in BPROOF, a first-person survival shooter with Wave Mode and objective-driven Scenario Mode. Survive enemy hordes, manage weapons and resources, and find your way out. Play solo or in online co-op.

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 shooter with sci-fi dwarves, procedurally-generated caves and random roguelike upgrades. Explore maze-like mines and blast through hordes of alien abominations — no two runs are the same. Move quickly, work together and shoot first to survive.

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.

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!

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.

Dive into Aftermath Z: Red Pine Lake, a survival horror game with a chilling 80s slasher vibe. Experience a gripping single-player story and thrilling multiplayer modes. Unravel the virus mystery, battle zombies in Horde Mode, or outwit the infected slasher in the unique asymmetrical Infected Mode.

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.