Top similar games like project Mariana Trench:

Compete in the Easter games, solve puzzles, and escape the Easter Bunny in this PS1 style survival horror game!

Neptune Island is a short puzzle game where you have been tasked with repairing the light of a lighthouse. The light has been out for some time, and the owner hasn't done anything to fix it. Unbeknownst to you, you have a much more difficult job ahead of you than you anticipated...

Effigy : The Descent is a first-person survival-horror game in which you will face statues, with your lantern as your only tool to stop them. Gather all artefacts from the cave and freedom will be yours !

Horror exploration aboard a ship adrift at sea; solve puzzles, navigate the dark, avoid the horrors that stalk the cabins...

Narrative-driven first person horror adventure inspired by Lovecraft's short novel "The Nameless City". Explore the ruins of a city that some say they are older than humanity itself. While you delve deeper into the ancient buildings, reality and visions blend into an indistinct haze.

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.

Play as a clothing store worker who is just finishing up her shift and preparing to go home. However, as you make your way towards the exit, the power suddenly goes out, leaving you trapped inside the store.

A psychological horror adventure where you investigate a large art gallery following many disappearances. You'll go on a journey filled with fear and stress to find out what happened to all those who went missing.

Explore the foggy waters aboard your dilapidated vessel. Catch fish, maintain your ship, and try not to ask too many questions. Day turns to night, fuel runs low, and the merchant at the dock smiles once more.

A short first-person horror game where you wander through an eerie forest using the dials of a microwave.

The Echo Paradox is a first-person psychological horror game. Humanity stands on the brink of an unsettling revelation – alternate dimensions are real, but eerily without signs of life.

A Long Dark Night is a Lovecraftian narrative-driven game. Navigate the stormy Gulf of Maine, unraveling the truth behind your family's past. Explore a beautiful seaside, shape the narrative with your choices, and confront shocking revelations in this gripping story, taking place at sea.

DREADMOOR is a Lovecraftian fishing adventure set in a post-nuclear apocalypse world. Sell your yield, upgrade your boat, build equipment and battle monsters lurking in water and on land. Explore forgotten lands and discover ancient secrets.

After escaping her abusive brother, Sophie seeks a fresh start in a remote house in Hawthorn's forest. But strange events unfold, and her unsettling housemate, Elise, may be hiding something. Is it just her anxiety, or is there something more sinister lurking in the shadows?

Psychological horror game in VHS style. In which your goal is to record evidence of paranormal activity in your house. Find items, solve puzzles and record as mutch as you can.

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.

To make some money from an old man, you are asked to fish at the forbidden Shinto shrine.

A first-person psychological and survival-horror experience. You are lost in the Backrooms and you have to find a way to survive in this dangerous universe. Explore the different levels, meet the Entities and other Explorers, and find clues to reveal the Backrooms’ secrets.

A compilation of two slow-paced, cosmic horror walking simulators, to be completed in under an hour. Please makes you maintain a power station and ignore the noises from the main engine, while Please Follow has you explore the trenches of a losing war, exposing your mind to visions of another world.

This game is a psychological horror in which the main character wakes up in an unfamiliar house and must pass all the levels by solving puzzles.

My retro-3D first-person horror adventure about the night I delivered a pizza to a haunted manor full of deadly traps, knife-wielding cultists, and lots of gore. This all actually happened to me. How it all ended will shock you the most!

Experience the desperate escape in a Hyper-Realistic 6,000-Ton ship 'SENARA,' and immerse yourself in a hauntingly realistic atmosphere of mystery and horror.

Welcome to the horrific altered memories of my childhood home.

A late-night thrill turns into a nightmare. Olivia sneaks into Creepwood Wonderland Carnival with her boyfriend, expecting a fun night alone in the park. But something feels off. Distant footsteps. Faint whispers. Someone else is here… Watching.

DREDGE is a single-player fishing adventure with a sinister undercurrent. Sell your catch, upgrade your boat, and dredge the depths for long-buried secrets. Explore a mysterious archipelago and discover why some things are best left forgotten.

Brave the terrors of a contaminated research facility, where every step could be your last. PSX style survival horror game.

The Cerebral Escape Series is an anthology of first-person horror escape room games. It contains 3 different games namely Anachron, Pagan & Splinters. Utilize your deduction & observation skills to solve puzzles, as well as rely on your survival instincts to make your escape.

Can you survive your teacher in this psychological horror game? With only candles for light and trapped in her home, you have to uncover her family's dark secrets. Solve puzzles, connect the dots and escape. But beware: There is someone else playing games with you, and someone who needs your help.

Fire in the Dark is a dark psychological horror with a unique atmosphere. Explore two interconnected worlds: the girl’s real-life room and the game on her computer, uncovering her hidden traumas.

ALANA is a psychological horror game that delves into the devastating consequences of an irreparable loss.

Descend into madness in a first-person survival horror inspired by Lovecraft and Giger. Solve the mystery of esoteric cults. Cross the gate to the blasphemous land of Lusst’ghaa. Play the new M-rated cut of the fan-favorite Lust from Beyond.

You've been invited to participate in a study for the newly developed Circadial pills, a medicine designed to remedy your life-long insomnia. Explore the empty halls of the facility and the landscapes of your dreams to uncover the source of your night terrors. You will never be the same.

Last Report is a dark horror game where you play as a night shift park ranger. While monitoring the camera footage, you start noticing strange events. Uncover the terrifying secret of the National Park. Something moved in the window, but don’t worry it’s probably just another deer, right?

Life has been tough for you after the tragic incident with your parents. Your way of coping has been through reliving all the good memories with them, but all the memories had a dark turn this time... will you be able to figure out why?

This game is a short Horror experience, which you as the player will explore and travel through the linear story. This game will challenge you to face your fears and travel through creepy corridors and dark forests. Will you find the secrets lurking in the darkness?

Trapped in a decaying sewer, fight to survive against horrors drawn to light and sound. Scavenge weapons, solve puzzles, and uncover dark secrets. Every step could be your last… can you escape?