Top similar games like Siphonopolis:

Welcome, child, to your new home. Here you shall learn the art of perfection. Here you shall learn to smile. Be sure that smile doesn’t fade into sadness, or you will need to run and hide…

The Main Menu is a psychological horror thriller where you wake up trapped in a room with only a corrupted main menu to interact with. Changing the menu physically changes the room around you. Manipulate its buttons and hidden systems to solve puzzles and uncover what controls the screen.

You open your eyes in a surreal space, paralysed. The only thing you can do is to scarcely move your right arm, and scribble. Scribble in a notepad before you to move forward. Towards a goal you must reach, despite something horrific trying to reach you. Create the cure. You don't have much time.

A story-driven psychological thriller about the horrific consequences of a loved one's suicide.

Your pursuer is your only weapon.

A short atmospheric visual novel about a teenager who tries to hide from his thoughts and problems. But the longer he avoids reality, the more it distorts around him.

Once a family home, now stands silent. The past still whispers through every room. You are looking for inspiration for a film, but you will find much more than just a story. Whether the lights are on or off... it doesn't matter. Olivia will find you.

Immerse yourself in a visceral experience where every bullet is a desperate attempt to reclaim the fragments of your former self. As a lost soul you must confront tormenting thoughts, traverse the yawning void of emptiness, combat the suffocating grip of apathy and lastly defeat yourself.

Meaningless Random Numbers is an Incremental Horror Game about earning money through Random Number Generators but be cautious, God is Watching...

A surreal psychological horror game where you cook, serve, and slowly descend into madness. Solve puzzles, interact with strange customers, and try to stay sane as your world unravels.

A phychological horror experience of voices and screams.

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.

Corpo Connections is a stylistic, narrative-driven, horror adventure game where you match anomalies and their descriptions. Uncover hidden secrets, solve scrambled messages, and piece together the mysterious workings of your new employer.

A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.

Rusty Lake Paradise is set on a small remote island which is cursed by the ten plagues of Egypt. Solve all the mysteries of this dark, macabre puzzle adventure. Paradise builds upon the distinctive atmosphere and excitement from the Rusty Lake series.

A lovecraftian roguelike. Dive into procedurally generated undersea caves. Collect gold, upgrade your equipment, and Feed the Deep.

An investigation of a secret film studio underneath their school has led 3 students down an estranged rabbit hole. With the fixed-camera as your weapon, shine a light on the truth and save your friends.

A mysterious signal. A missing crew. And the one man trying to piece it all together. As Abe Douglas, dive deep into a fully underwater metroidvania to explore massive oceanic biomes, battle monstrous bosses, and piece together a mystery that threatens not only your crew, but your own sanity.

Where do you run to when your demons reside within you? Decarnation is a pixel art adventure/action puzzle game with a horrific story inspired by some of the most influential films and novels in the genre. Dive into a breathtaking thriller where nightmares and dreams intertwine…

Dive into a surreal ocean abyss in an atmospheric puzzle-adventure. Explore dangerous waters, possess sea creatures and solve environmental puzzles to discover what lies deep below the surface…

FPS/Slasher/Horror for people with strong nerves. Tomato Way it`s like your favorite video game, but better.

A body horror, physics-based sit-n-survive. Prevent abstract threats from twisting your body. Endure nightmares and a reality gone mad. Dive into the kanvas.

An eerie anti-rhythm hiden-object roguelike. Avoid a procedurally generated song. Look for pearls in a surreal wonderland. Experience hyperacusis from the comfort of your seat.

TORMENTUM is a dark Point & Click adventure game.The dreamlike, nightmarish atmosphere of the game was inspired by works of painters H.R. Giger and Zdzislaw Beksinski. The game's final look and feel was also strongly influenced by the universes of games such as Demon's Souls or Dark Seed.

AMEN 11 11 is a hidden object adventure game set in an atmosphere of apocalypse and psychological horror. The player's task is to find objects hidden on the maps.

Explore and navigate an underwater cave in your submarine.

A first-person psychological horror with a strong emphasis on atmosphere and storytelling. Explore an ever-shifting Victorian mansion as a painter seeking to complete his masterpiece, even at the cost of his own sanity.

Experience true psychological horror as you explore nightmares inspired by the creator's struggles with depression and OCD. The defenseless protagonist must avoid monstrous manifestations of what haunts his subconscious in his quest to wake up into reality.

An extremely challenging psycho-horror platformer with unique ragdoll controls – made of my dreams.

Lucid Dream is the story of little Lucy, who goes on an adventure into the world of dreams with the mission to save her mother.

A short underwater horror game where you pilot a one-person submarine into a lightless trench, tracking a signal that has started answering back.

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.

A short horror game where you pilot a submarine to collect samples on the crushing depths of the ocean.

Unburied and forgotten undead gather in the city center, while the citizens of Greenberg go about their day-to-day lives.