Top similar games like Radioactivity:

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse through eerie backrooms levels while avoiding entities and other danger to try and escape. Free content updates with new levels and game modes keep the community rewarded.

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

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.

Discover the first horror metaverse game. In this world destroyed by a biochemical attack, thousands of zombies, ghosts, vampires and other players evolve on the map. You have to succeed missions while the latter have only one: to prevent you from regaining your life before by killing yourself.

"SKIBIDI: ESCAPE FROM TOILETS" is a cooperative horror game for 1-4 players. TV MANs are trying to get through creepy and atmospheric locations that are filled with dangerous SKIBIDI - they want to kill you! Free content updates with new levels and game modes - YES YES YES!

Go in alone or grab your friends and venture into the most realistic Backrooms horror experience powered by Unreal Engine 5. Make your way through procedurally generated levels that host unique puzzles and entities. You are at the mercy of what's lurking and must do whatever it takes to escape.

Dustmen is a 1-4 player co-op horror exploration game. Set in plague times, the King has commanded you to sanitize and remove clutter from abandoned places to prevent the plague from spreading. Yet, be careful and keep an eye out for creatures around you.

"ESCAPE FROM TOILETS" is a coop horror game 1 to 4 players in a session. Go through strange rooms, escape from toilets that want to kill you and other dangers in the form of challenges and puzzles. Realistic graphics, easy controls and creepy atmosphere will immerse you in the game.

FURRY BACKROOMS is a cooperative game for a group of 1-8 players that combines the best ideas from the BACKROOMS and FURRY universes. Single mode is also available. You have to survive and find a way out before the FURRY catches up with you. Updates and various interesting things await you...

Backrooms Cycle is an immersive exploration FPS horror set in the backrooms. You will explore and scavenge, build up your arsenal and gain powerful perks. Every time you begin a new cycle, you will meet new threats and opportunities in a procedurally generated world.

Haunted Investigation is a spine-tingling horror game that will test your nerves and keep you on the edge of your seat. Whether you choose to play alone or with another friend (up to 2 players), you'll be immersed in a world of terror and suspense as you explore an abandoned mansion.

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

Flykt is a 4 player online co-op game which players will try to escape from an abandoned hospital. Players will able to choose to play as teams or as impostors to kill their friends. Flykt environment will be generated procedurally. Be silent, move stealth or get killed.

Backrooms #999999999 is a singleplayer/4 player co-op horror exploration game. Unlock the puzzles, survive the entities, escape the deadly geometry and try to reach the final level in one piece. Good luck, wanderer!

Deja Vu portrays The Backrooms as a manifestation of mental illness. Join forces with a friend and endeavor to escape the confines of both your own mind and the mundane existence that led you here.

Step into the frozen unknown in Forsaken Frontiers, a cooperative analog horror adventure set in the unforgiving embrace of an everlasting winter.

BACKROOMS INVASION is an exciting horror game that will give you a unique experience. Prepare for a challenge that will test your teamwork, wits and endurance! Multiplayer for up to 8 people!

You and your friends have found a camera with a footage in it. For some reason you can't rewind the video, and as soon as you try winding it forward you all find yourself in the Backrooms. Together figure out whats in the footage and try to ESCAPE AS FAST AS POSSIBLE!

Step into the dangerous world of Project0. Your mission is straightforward, follow The Agency's orders and then escape in one piece. Whether you prefer solo play or a cooperative mode for up to 4 players, our semi-procedurally generated world ensures each gameplay is a unique experience.

"Tales of Escape" is a series of 6 person multiplayer escape room adventures for virtual reality or desktop pc! Gather your friends and choose a story to play!

Become a member of the highly anticipated sequel of the co-op sci-fi show. Gather a team of four friends. The more partners the more chances to survive. Find your way out in a deadly new room complex filled with even more sophisticated traps.

Welcome to Fynite, a backrooms horror / thriller game. You've noclipped into the backrooms getting out isn't likely, do you have what it takes?

Dive into the Backrooms' mysteries in a solo-developed survival game. Explore eerie corridors, uncover secrets solo or in multiplayer ( 5 players max ), and face unique challenges. Coming soon to Steam Early Access.

“Restricted Footage” is a horror and survival game for up to 4 players. You are entering into an area, where reportedly paranormal stuff is happening. Your purpose here is to take a footage with your action cam and to solve the paranormal case.

A 1-8 player co-op sci-fi looter game where players must complete 3-Day contracts to meet a designated quota that must be met by finding scrap, killing creatures and/or farming materials.

"The Backrooms: Last Expedition" is a cooperative horror game designed for 1 to 4 players. Its main objective is to create an enjoyable gaming experience for friends. Players will navigate through terrifying levels, filled with various entities and dangers, as they strive to escape.

Team up with up to 8 friends online to explore the haunted, randomly generated depths of these dusty attics. Find and repair the objectives, flip the master switch and escape before the ghastly ghoul that lurks in the darkness catches up to you. Play through the career mode or explore free play!

Ghost Janitors is a multiplayer psychological horror game for 1-4 players. Your job? Cleaning haunted houses while avoiding terrifying monsters. Ready to face the spine-tingling challenge with your team?

ZIC: Zombies In City is a first person zombie survival shooter where you have to save the world from a pandemic zombie apocalypse!

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.

Join the Special Paranormal Assault Team in this thrilling hunting shooter! Battle monsters, demons, and ghosts. S.P.A.T. - where our motto is "Fight monsters, get paid, die horribly."

1-4 player bodybuilding co-op survival horror. Collect loot to sell for food and supplements in order to beef up to tackle the mighty testing gates.

Donald Barnes is a successful merchant who one day on his way home, starts being stalked by a dangerous demon from the Colonial Times. Now he has to find a way back home or finally defeat Mortisomem.

Enjoy a 4vs1 asymmetric horror experience like no other. Be a part of the investigator team, or take control of the creature and devour them!

Forsake is a 1 to 4 player co-op online survival horror game where each player is a member of an urban explorer group. Choose your equipment to explore places full of paranormal and exorcise them, if you think you can handle it!