Top similar games like The Undersea:

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.

SCP: Containment Chaos is a co-op horror survival game for 1-4 players. Become SCP Foundation agents tasked with containing and researching anomalous entities in parallel universes. Solve a variety of unique tasks tailored to each SCP, all while striving to maintain order in the unimaginable chaos.

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.

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).

Backrooms: Infinite Halls is a game about investigating and researching the Backrooms, going deeper and deeper down these unending spaces, roaming their halls and avoiding their horrors.

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.

FOREWARNED is a 1-4 player co-op survival horror. Delve deep into ancient Egyptian ruins with your team of fellow archaeologists. Investigate phenomena, collect treasure, discover lore, survive danger, and banish the evil that lurks within.

Goodbye Dr. Sanchez is a first person two player coop horror game where you must escape from the evil Dr. Sanchez’s imprisonment. Explore Sanchez’s domains. Avoid traps and other perils. Communicate with your partner and provide them useful information in order to survive.

You and your friends decided to summon a girl(friend?). Unfortunately, something went wrong. Can you get out or will you stay with her forever?

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

DEVOUR is a co-op horror survival game for 1-4 players. Stop possessed cultists before they drag you to hell. Run. Scream. Hide. Just don't get caught.

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

Depth Diver is a single-player and cooperative adventure game where you go on an underwater journey alone or with your friends to gather resources and repair underwater facilities in dangerous waters.

Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...

UNEASE is a 1 to 4 players co-op survival horror game presenting an array of episodes with innovative mechanics and different settings.

Backrooms Cycle is an immersive exploration RPG/FPS horror set in the backrooms. You will explore and scavenge, build up your arsenal and gain powerful perks. Decide if you want to rescue fellow scientists, build an outpost in the poolrooms or just care about yourself.

A slightly different Backrooms is a Coop or Singleplayer Horror Puzzle Game. Encounter different Monsters and Levels than in the other Backrooms, but brace yourself for the same bone-chilling atmosphere like the typical ones.

GODUMAS is a co-op horror game for 1-4 players. Explore the strange island, solve location based puzzles, run or sneak your way through local inhabitants and find a way to escape… before you are sacrificed.

"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.

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?

Go on expeditions with your friends to explore the depths in search of treasures, upgrade your gear, and dive back in deeper.

In Silence is a multiplayer horror game. One player takes on the role of the monster who has hypersensitive hearing abilities and is almost completely blind. The other players(2-6) play as survivors, trying to escape or hunting the monster.

Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.

Embark on a chilling journey into the unknown with the game "Level Unknown: Backrooms," a horror-puzzle set in the mysterious realm of the Backrooms. Test your logical skills and nerves in both a single-player adventure or a multiplayer cooperative mode.

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.

Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Blood Moon Horror is a 1-8 player co-op survival horror game. Survive the nightmare under the alien-infested moon, navigate the abandoned lunar base, evade extraterrestrial predators, and uncover the dark secrets lurking in the shadows.

SCP: Submerged is a story-driven game set in the SCP Universe. Deadly entities are on the lose in the facility, located leagues below the waves of the northern sea.

Silent Rain is a challenging and immersive co-op horror game, for 1 to 4 players. Explore abandoned locations, solve puzzles, and gather information while trying to survive the threats lurking in the dark. How many tries will it take you to master your fear?

HUNT ME is a co-op horror survival game for 1-4 players. Gather the ingredients for the ritual, weaken the threat and banish it. Be careful, you're also the prey!

Skibidi Gyatrooms is a 1-4 player co-op horror game. You and the homies just fell into the Backrooms, you must out-GYAT the Skibidi Toilet with max rizz or get flushed. Expect cursed levels, and brainrot that’ll keep you on edge.

Time For Revenge is a co-op survival horror game for 1-6 player. Get your revenge from the Chef. But be careful, Chef can't see well but he can sense your smell very well. You need to solve the puzzles and complete the tasks to save the children. Escape from the town before Chef gets you.

A visually lifelike co-op horror for 1-6 people. Journey through 9 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

LockYourDoor is a challenging survival horror game for 1-4 players. Your aim is to survive while you search for your friend Darvin. Try your best to stay alive and confront your nightmares. Only the patient and clever will survive.

Horror. The action takes place in a hospital where people are dying. You're the only survivor... in addition... you need to solve the mystery of the hospital, but be careful, because something unimaginable and very scary may be hiding around the corner.

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.