Top similar games like Radioactivity:

For Nykanak is a hardcore single-player extraction-shooter set in a post-apocalyptic Canada afflicted by nuclear winter. Emerge from your underground shelter ten years after the bombs dropped to scavenge, fight and survive.

A 1-6 player co-op survival horror game set in a supernatural nuclear apocalypse. Drop into abandoned cities to extract radioactive material while being hunted by various bug-like abominations. Rebuild your decaying body with prosthetic limbs, arm yourself, and radio your friends for help.

Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

Escape the open-world island infested with monster spiders while on duty as a prisoner with your friends. Loot the city, destroy the caves, take some selfies on the way out in your car before you set sail.

A co-op roguelike horror game where you descend in an endless elevator and complete assigned tasks. Each floor brings new monsters, new locations, and new challenges.

Backrooms M.E.G is a 1–4 player multiplayer psychological horror game. Explore undocumented levels in the deepest corners of the Backrooms, collect data, and try to survive. Silence is your only ally… something might be watching you.

Backrooms: The Deep Dark is a 4-player cooperative horror game where you will survive in a mysterious scary atmospheric world, wander through unknown dark corners and get scared of every nook and cranny!

Psycho Reign is a Single or 2 player co-operative online horror puzzle and stealth game where in each level you will be chased by blood thirsty psychos. Look for and solve mini puzzles in order to progress further on the map. Ultimately, find something to fight back...or get chopped up.

Backrooms: Recode is a cooperative horror game for 1–4 players. The rules don't stay the same. Neither do the walls, the halls, or your thoughts. If there's a pattern, it's not meant for you to understand.

You are a Bigfoot hunter with an important mission: to put an end to rumours once and for all and prove to yourself that Bigfoot is not just a myth or an invention of the mind...

Hide and escape from demonic dolls in an abandoned hospital building. Demon dolls will seek out and chase the player. The only way to escape is to complete the ritual successfully. A small doll wanders around the hospital. Catch them and offer them to your ritual.

Backrooms: The Others is a cooperative horror game for up to 4 players where you will be forced to explore these unknown nooks and crannies, trying to survive in this complex world where death can be waiting for you at every turn!

Into the Radius 2 is an immersive VR survival shooter, set in a realm of surreal landscapes and deadly entities known as Pechorsk Anomaly. Arm yourself with realistic weapons and venture deeper into the mysteries that lie within, either solo or with a friend by your side.

Descend the dangerous depths of Mindaro, a 1-6 player co-op action-horror game. Navigate caves, biomes, and industrial ruins while scavenging for survival and uncovering hidden secrets.

Backrooms: The Next Level is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

Backrooms: The Phobolore is a cooperative multiplayer online horror game for 1-4 players. In this game you will take control of a character who woke up in an unknown place and does not remember anything, your task will be to pass the game levels trying to remember who you are...

Team up in a chilling co-op experience, delving into procedurally generated backroom style buildings. Survive together or succumb into the Echoes.

Into the Radius is a single-player survival shooter in VR. Explore the Pechorsk zone filled with surreal landscapes and dangerous anomalies. Defend yourself with realistic firearms, recover strange artifacts, scavenge for loot, and uncover the mysteries of this unforgiving dystopian environment.

Backrooms: What's Next is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

Containment Zone is a hardcore, realistic, tactical shooter in which the player fights his way through escaped mutant experiments, zombies, and military private contractors to uncover the secrets of the Object 1611 laboratory hidden deep within the Soldanesti district Containment Zone.

Immerse yourself in a horror extraction shooter where you must escape a Soviet ghost town with a monster from an upside-down world tracking your heartbeat. Arm yourself, gather resources, and fight to survive. Death is just the beginning—it's your gateway to an inside-out reality.

Borealis Descent is a horror-survival extraction Third Person Shooter placed in a post-apocalyptic solarpunk world, where a mysterious organism has contaminated the planet’s atmosphere, making it impossible for humanity to breathe.

Play solo or online co-op with up to 4 players. Descend into monster-infested caves with your crew, gathering resources while evading terrifying creatures. Gear up between expeditions as you drill deeper into increasingly dangerous depths.

Repressed is a PvPvE tactical shooter where players fight for survival in a high-risk, high-reward world. Engage in perilous warfare, scavenge for supplies, and extract with whatever you can carry—before the island, or something on it, claims you. Every decision counts. Every fight matters.

A deadly gas blankets the world, reanimating the dead with a hunger for flesh. Solve strange puzzles to delay infection and survive. Customize weapons and levels to match your style. Play in VR or FPS mode. Zombies love jazz, make them dance and stay alive!

Explore the mysterious, beautiful, yet dark world of the Chornobyl Exclusion Zone in this post-apocalyptic action-RPG. Make your mark on this world, through your character development, choices and playstyle. But remember – everything has a price and consequences.

A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

Backrooms: The Lost Circus is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.

This horror game inspired by Chinese folklore offers an enthralling journey through the depths of the Underworld. As you delve deeper, you'll unravel hidden secrets veiled in the darkness.

CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.

In a zombie apocalypse, survival is your main goal. All in Vain offers a unique experience: craft weapons, explore a vast open world, fight hordes of zombies and gangs, complete quests, and uncover the mysteries of a shattered world.