Top similar games like The Sirena Expedition:

You are an employee of U.D.E. Your mission is to explore the ocean depths, investigate ancient artifacts, and... save your own skin. Survive, uncover the corporation's secrets, and find out what lies hidden in the depths.

The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.

Oxenfree is a supernatural thriller about a group of friends who unwittingly open a ghostly rift. You are Alex, and you’ve just brought your new stepbrother Jonas to an overnight island party gone horribly wrong.

Descend into Lovecraftian horror aboard a claustrophobic military submarine. Assign tasks as a captain’s right hand, analyze sonar signals, make hard decisions, and keep the crew from madness. Dark horrors lurk both within… and beyond the hull.

DreadOut is a third person supernatural horror game where you play as Linda, a high school student trapped in an old abandoned town. Equipped with her trusty smart-phone, she will battle against terrifying encounters and solve mysterious puzzles which will ultimately determine her fate.

GRANDMA'S COLORING BOOK is a psychological horror journey through the dark, tangled history of the Hooklock family using sewing needles and steam.

A horror game where you must identify anomalies in the environment. You’re trying to leave the building, but the 1st floor never comes.

A submarine touring the Titanic has gone missing. As part of the coast guard, you have been called in to locate and rescue the crew before their oxygen runs out.

The Fractured Shimmer is a 2.5D pixel-art survival horror adventure where you follow Eddy, a journalist investigating a string of unsettling murder cases.

Moth Ma'am is a 2D pixel art platformer meant to eventually be beatable in a single sitting, like old Mega Man or Sonic games. Jump, flap, shoot, swim, air drill, and ride through 8 stages of cryptid mayhem. Try to earn a S rank on every stage.

A narrative psychological horror settled in dreamlike spaces. Explore, observe, and listen as strange entities, cryptic clues, and discoveries pull you deeper. Inspired by Backrooms and Dreamcore. No jumpscares or chases, only the empty feeling that the world is a dream that you forgot to wake up.

Your bestie seems to be hiding something. There's something about your world that seems odd as well, like it has...secrets. Dive into the Cthulhu Mythos universe of this horror game and witness a "friendship" that rewrites the world.

Devi, a 27-year-old young woman, books a late-night massage at Ahola Spa & Reflexology—the only spa that is still open.. What should have been a relaxing escape turns into a lingering nightmare…

Embark on this Lovecraft-inspired tale and discover the mysteries that await you in this island. Explore the enigmatic lighthouse, solve challenging puzzles and most importantly: try not to lose your sanity when facing the darkness of your mind.

A 3D survival experience set within a cramped one-man submarine exploring a hostile ocean trench.

Awaken brings Lovecraftian horror to the beloved 2D side scroller genre. Make your way through the strange forest while encountering inexcplicable forces and try to keep your sanity as you piece together the mystery of your sister's disappearance.

Classic 2D horror game about a lone roamer decides to retrieve a satanic book for mysterious Mr. Grey and face anthropomorphic demons in order to fulfill his childhood dream.

The file for a lost and unfinished platformer from 1999 about collecting souls for the vacationing Grim Reaper has resurfaced online.

IORETIN is a survival horror game inspired by PS2 classics. You are a young fisherman who must save your brother trapped at sea while facing abyssal monsters. Explore a city inspired by a real one and fight for survival using melee weapons.

Rose must escape the Cursed Mansion - a demonic space that preys and feeds on fear and despair. In this horror RPG you'll solve puzzles and learn the mansion’s history. Mystery, malignant spirits, and misery everywhere. Cursed Mansion brings an eerie atmosphere which leaves one with goosebumps.

Two worlds, one nightmare. Step inside a brutal orphanage and uncover the dark secrets of Québec’s Great Darkness. Solve puzzles related to an inexplicable phenomenon and dive into the depths of dreams to uncover otherworldly horrors. An Abyss of Dreams is a cosmic horror point-and-click game.

As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?

Something strange is happening in the newly discovered tomb. One of the archaeologists went missing during the exploration and even a search party was not able to help. Will you find her? What is happening in the dark depths? And are you really the only one here?

The Living Shadows is a survival horror game where you have to take the role of a woman named Amelia and go through the world of the dead in order to save your sister and try to return to the real world.

GORE is a Lovecraft-inspired horror experience set deep in the Rocky Mountains. Explore the wilderness and uncover the origins of the fleshy entity.

The Debut title from award-winning indie studio TheVampire’sManor, FOQUES is a passion project years in the making. FOQUES is a third person, action-adventure turned survival horror based on oil painted techniques and eldritch horror, following Kari; an arctic fox who must now be faster than death.

A girl lost in the ocean infested by sharks. will you be able to make her survive, swimming without drawing attention of sharks? You will face a new breed of sharks more deadly than the great white shark, which leaves behind a trail of death and blood.

Escape: Immersion is a horror adventure inspired by Inside and Little Nightmares. An atmospheric survival adventure with puzzles, platforming, and unpredictable challenges inside a collapsing underwater lab.

There's Nothing Down There is a short undersea horror exploration game. Descend into a sinkhole at the bottom of the ocean and discover the remains of a lost, yet not dead, civilization.

Discover forbidden lore which warps your body and reality itself. The more you know, the worse it gets.