Top similar games like Radiation Hazard:

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.

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.

An intense round-based zombie survival FPS, play solo or co-op. Shoot your way through relentless waves of vicious horrors with high-octane objectives, upgrading steampunk weapons, collecting Celtic God powers, and surviving the onslaught of the Quiet Ones.

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.

A classic-style hardcore dynamic shooter which takes place in a science underground center.

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

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.

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!

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...

Chased by Darkness is a 1-4 players co-op survival horror. Your mission is to face supernatural entities and banish them to the spiritual plane. Explore, fight enemies and don't let the darkness reach you.

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.

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”.

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.

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.

Dawn of Decay is a 3D low poly multiplayer zombie survival game where players team up to navigate immersive maps, fend off relentless zombie waves, and rely on strategic gameplay to survive.

Put on your armor, choose a rifle or a shotgun - now you are part of a special forces group. Shoot your way out of a skyscraper full of zombies.

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

Blight: Survival is a medieval co-operative PvE extraction-lite set in an alternate 14th century.

Collect crazy power-ups, upgrade your weapons into tools of destruction, and escape from the robotic zombie horde - alone, or with friends.

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Unleash heavy weaponry to exterminate the demonic horde alone or up to 4 players online and/or in splitscreen

6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

In a free, add-on mod for Killing Floor, created by David Hensley (with help from Killing Floor originator, Alex Quick), you can fight off the bizarre and warped toys of someone's nightmare, that are hell-bent on finishing you off. All the standard Zeds are replaced with evil toys, set in the Devil's Dollhouse map.

Fortune favors the bold, but in SCP: Directive Nine, even bravery’s a long shot. This 2-4 player co-op FPS hurls you into missions where the odds are grim—crack puzzles, face towering bosses, or wrestle hybrid nightmares of both.

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.

Experience Halloween in this 1-4 player co-op game! Traverse eerie haunted attractions, solve puzzles, evade sinister entities as you try to escape together.

「Synapse」is a game based on cooperative play with horror and thrills. Players must cooperate in a dark space to avoid robots, hack into facilities, and escape. The only thing players are given is a sense of helplessness and fear of death.

In the direct sequel to the record-breaking Call of Duty®: Modern Warfare® II, Captain Price and Task Force 141 face off against the ultimate threat.

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

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!

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.