Top similar games like Project Otherside:

HAZE TOGETHER is a 1-4 player psychological survival horror game set in claustrophobic mines. Team up with friends, explore dangerous industrial facilities, and escape the darkness trying to consume you. Remember: the haze thickens every second, and you are not alone.

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

"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!

Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.

Find a way out before you become a permanent part of the game. Your childhood nightmares have found you. Trapped in the endless, eerie playrooms of the Backrooms.

In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state.

Vicera is an online co-op game. Play as relic hunters, solving enigmatic mysteries and escaping a terrifying monster. Will you dare to face the darkness to find the cursed relics?

DENDAM: Justice and Law for the Murderer Feel the tension in the latest horror action game "Hide and Seek", where you must survive by hiding from a terrifying entity that relentlessly hunts you. In this game, nowhere is truly safe listen carefully, hold your breath, and don’t get caught.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.

Escape.exe is a gripping escape game for 1-4 players, each offering a unique atmosphere, filled with mysteries and threats. Challenges determine intelligence, and decisions determine survival. Prepare for an uninterrupted experience with each new episode.

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.

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.

"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.

A 1–6 player immersive psychological horror experience. Venture through multiple handcrafted liminal Backrooms levels, solve puzzles, explore and survive.

MustScream is an online co-op horror game for 1-4 players that uses mic input. Scream into your mic to run! Push your voice to the limit and make it to the end!

Your mission is to cleanse a cursed item in a haunted house. Use your tools to locate and investigate items. Create a ritual area to mark your location of interest and bring items with energy there to progress. Be careful though, the unknown is always watching you and waiting around every corner.

If you scream, you and your entire team will die. You need to leave the dangerous forest before the timer runs out by either assembling a car or calling the police. If the set time expires, the entire team will perish. Time progresses when you move. Don't make the team wait for you!

Last Frontier is a cooperative horror game where a team of medics fights against World War II mutants. Players must burn mutated creatures using a gas torch to collect ingredients for creating an antidote.

A cooperative psychological horror game where you are a test subject in a series of inhuman experiments. Open the door to the unknown, team up with fellow sufferers and together try to find a way out of this nightmare.

A co-op horror looting game about exploring luminal spaces, evading monsters, gathering valuable loot and selling it to meet the quota

Explore the surreal dreamworld of the in:Between, face grotesque Atrocities, and rescue lost Hollows in this bizarre blend of cozy and horror. Play solo or with friends in this co-op survival horror, where twisted terrors and unpredictable gameplay keep you on your toes.

A 1–4 player cooperative horror game set in an abandoned hospital in Japan. Work together with your friends, collect boxes containing organs, and escape from the hospital where something lurks!

Just Work is a first-person horror co-op game set in a massive industrial complex owned by the enigmatic corporation EternaTIMA. You’ve just accepted a suspicious job offer, desperate to make money for your mother’s hospital bills—but this facility holds secrets you were never meant to uncover.

Stuck In The Backrooms is a horror multiplayer (1-4) exploration game where players find themselves trapped in a different reality. Solve puzzles and investigate levels while avoiding (OR NOT...) entities. Some things were never meant to be found…

You are trapped on an endless road. Become one with your friend and reach the end of the road.

The lines between creation and creator blur, in this first-person psychological horror game inspired by Five Nights At Freddy’s.

Liminalphobia is a 1-4 player online co-op horror game set in The Backrooms. A man named James is lost, leaving behind notes as the only guide to finding him. Explore the liminal levels, manage your resources, solve puzzles and avoid the entities throughout the levels.

7Years offers an open-world horror experience with multiple game modes, including single player, multiplayer coop and multiplayer PvP. And, with randomized spawns of unique enemies, mini-games, items, portals, puzzles, achievements, player weapons, and a feline protector, each round is different. 

S.I.N. Unit puts you into the shoes of a paranormal investigator. Together with other people like you, you will enter haunted locations full of paranormal activity to investigate and catch the entity or ghost that haunts the place. A good entity will also appear to help you. 1-4 Players.

"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.

A 1-4 player co-op horror experience. Navigate hyper-realistic Backrooms levels and liminal spaces, survive unique entities, and uncover the dark mystery behind those levels. Extreme visual fidelity meets psychological dread.

Anomaly Express is a 1–4 player co-op psychological horror aboard a winter train. Spot anomalies, survive deadly encounters, and uncover the supernatural force behind this endless journey.

Imprisoned by a fanatical cult in a nightmarish dungeon! Confront eldritch forces and solve twisted puzzles. Will you break free from the strings of fear or yield to the supernatural puppetry? Face your deepest fears in this immersive first-person horror experience.

Escape the backrooms levels as reality warps with every step; listen, for the whispers behind the walls may guide you out. Enjoy an unbelievable co-op Backrooms experience.

Reality blurs and turns surreal. You find yourself trapped in a maze of endless twisting hallways and rooms, with nothing but your fading wits to guide you back to freedom. Explore the backrooms and try to survive in this single player adventure - or team up with three friends!

"99%" is a first-person survival horror puzzle game set in an eerie research facility. The protagonist, having lost all memories, explores the twisted and terrifying environment in a desperate attempt to escape.