Top similar games like Thalassomania:

Remnant Records is a horror investigation game for 1 to 4 players. Explore places haunted by the dead, survive elaborate and unique ghosts and find out what happened to them through thousands of generated stories.

Voiceless is a cooperative horror game that can be played alone or with up to 4 players. Your goal is to survive making as little noise as possible, because any sound, including your microphone, can be heard by the Maniac, who is eager to catch you and your friends.

Cursed Despair offers a chilling experience where you and your friends will face a mysterious monster, plunging into deep despair. Gather the necessary items to survive, perform the ritual, and stand firm amidst the darkness.

"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.

Cursed Night is a multiplayer horror game for 1-5 players. Use your magic abilities to defeat the devil, or become the devil and seek revenge. Find talismans, collect power, release spirits, or choose the dark side and kill everyone.

Demonsomnia is a CO-OP multiplayer bodycam horror game about the impact of a nuclear reaction. Radiation has spread everywhere, put on your gas mask, go to the forest, collect objects and return to the mansion. Your goal is to collect evidence with the equipment and hunt the demon in the mansion.

Holy Purge is a co-op horror game where players play as priests who exorcise demons in various scenarios.

PROJECT UNKNOWN is a 1-4 online co-op horror game with unique playable characters and special abilities. Exorcise different ghosts, utilize a variety of tools, and immerse yourself in an experience full of horrifying visuals and complex mechanics.

OverNight is a multiplayer co-op Ghost Hunting horror with multiple Ghosts per session. Explore some of the most haunted locations with your friends, using a variety of paranormal equipment, engage in rituals, and attempt haunted communications to connect with the other side.

Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.

Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.

The Backrooms - Nightmare Dimension is a Co-op online horror game with up to 4 players, where you and your friends take on the roles of soldiers who are part of the SCP Foundation with the mission to eliminate the mysterious entities found in the infamous place called "the Backrooms".

Enigma Manor is a 1-4 player co-op survival horror game. Navigate your way through the procedurally generated manor, fend off monsters, solve puzzles and find a way to escape.

Reports of paranormal activity have been creeping up across the nation. You and your team have been instructed to investigate. Explore and solve puzzles, all whilst avoiding deadly horrors from the Otherplane.

This is a Ghost is a ghost-hunting psychological horror game. Using your equipment, track down paranormal activity and gather evidence to identify the entity, then banish it from this world! Solo and online co-op play for up to 4 players. 👻

There is reportedly an evil inside that house. Something about an old funeral parlor offering a last chance to talk to their dead loved ones. Plus something about lights, laughter, a girl, missing people, etc... You know the same stuff everyone claims. Take a team, and check the place out.

Exorcist Simulator is an immersive multiplayer horror game that will captivate players and immerse them in a world of supernatural events and dangers.

Deadly Broadcast is a co-op horror and survival game that can be played with 1-4 players. As a Famous Streamer, you have to stay alive, but at the same time you should stream the paranormal events in the cursed places to gather more donations and more viewers. Don’t die! Don’t cut the Broadcast!

Step into the chilling world of paranormal investigation. Gather crucial information from a haunted location using specialized equipment, all while staying one step ahead of the ghost. Experience the psychological horror alone or in a team of up to 4 players.

Daemonium is a 1-4 player online co-op psychological horror. Demonic possessions are running rampant. Grab your equipment, join your team, locate, and remove the source of the demonic presence. Enter the portal to the demon's home and stop the possession once and for all.

Solomon Division is a co-op horror game where you play as an employee of agency that hunts demons invading your country. Play together with your friends as Technician or Medium and seal the demons. Walk the path from a beginner agent to the veteran whose name makes the Devil himself shiver in fear.

Customize your character in Gräuel with the Supporter Edition! Enjoy recolored versions of all in-game cosmetics and exclusive outfits inspired by the game’s monsters. Plus, this DLC will expand with each update, offering even more content.

Breach Signal is a 1-5 Player Co-op Psychological Horror. Enter a special unit operating for the agency; lead expeditions into strange places and investigate mysterious anomalies that threaten our reality.

Investigate, explore, and solve paranormal phenomena using technology as well as your own esoteric abilities, alone or with friends.

Paranormal Investigators is a 4 player co-op horror. You and your team are the hosts of a local TV show and explore abandoned houses with paranormal activity. You must make a video report and survive until dawn.

Horror Simulator: Prologue is a heart-pounding horror adventure. Demons are said to lurk within the mansion. Brave souls like you must form a team of exorcists, delve deep into the mansion to uncover the demon's name, capture and vanquish it for rich rewards.

Enter a haunted world in Visions of Evil, a 4v1 asymmetrical PvP Horror game. Explore abandoned areas with your team, battle hellish entities, and use ancient weapons and artifacts to survive and banish the evil. Are you ready to face your fears?

Once a mad scientist's lab, now an abandoned manor haunted by miscreations. Work as a 1-4 player team in this online co-op, psychological horror game and discover what lurks within. Find a cure before it's too late...

Damned is a randomized online horror game for up to 5 players (4 survivors and 1 monster). You’ll be able to play as one of four people trapped in different haunted places (hotels, hospitals, etc).

Unpossess is a 1-4 co-op exorcism simulator game set in the early 1900s. Players take on the role of exorcists responsible for addressing cases of human possession.

《 NIGHT CROW》is a multiplayer (1-4 player) horror decryption game where players need to collaborate and interact to decrypt and embark on the next adventure If you are brave, you can also go alone Each different scene type and terrorist event is worth exploring for you

Hellcoming is a co-op horror survival game for 1-4 players, who need to clean large areas from hellish abomination with the help of special tools.

Malum is the premier C-list horror game. Run from a motely collection of bizarre demons then summon in some guns to turn the tables on them. Best enjoyed with friends.

After a dark ritual bound an ancient board game as a vessel for a demonic spirit, it is rediscovered by a group of friends. As players take turns, the game enacts consequences in the real world, introducing physical dangers and hostile entities. Survive its trials and uncover its dark history.

Horror Squad is a 1-4 player online co-op horror game. Assemble your squad to clear the areas cursed by terrifying creatures.

Blessed Curse is a 4-player, online co-op, psychological horror game. Take on a rumor you've recieved of a haunted location in Japan. At the scene utilize your entity-hunting equipment to gather evidence and figure out what might be residing there.