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…

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

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.

Your pursuer is your only weapon.

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

A phychological horror experience of voices and screams.

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 point-and-click  "poetic horror" game about a hollow maid alone in her OS. Help her take care of herself.

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.

A horror adventure game inspired by the art of Theodor Geisel and the works of HP Lovecraft, featuring a mixture of point and click and survival horror elements.

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

Necromancer is a fast-paced shooter set in an eldritch arena, where you will face an onslaught of horrors. Utilise Necromancy, powerups and weapons to annihilate your foes and survive as long as possible.

Pilot an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.

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.

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…

Explore and navigate an underwater cave in your submarine.

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.

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.

Layers of Fear is a first-person psychedelic horror game with a heavy focus on story and exploration. Players take control of a painter whose sole purpose is to finish his Magnum Opus. The player must navigate a constantly changing Victorian-era mansion and ghastly visions of the painter’s psyche.

Tormentum II is a Point & Click adventure game taking place in a dark, surreal world full of gloomy characters and repulsive creatures taken straight from the scariest horrors. A long-awaited continuation of the dark adventure game inspired by the works of H.R. Giger and Zdzisław Beksinski.

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.

Life Gallery is a puzzle game with a unique, illustration-style art design that leads the players into a world of profound horror.

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

They Breathe is a short journey into the depths of a forest filled with water. As you swim deeper, it's up to you to figure out the rules of an insidious ecosystem where nothing is as it first seems, and where everyone is after the same precious resource – oxygen!

Totally Normal Boyfriend is a visual novel/dating simulator about your loving and caring boyfriend that would do anything for you.

Experience the beginning and end of characters' lives and build your own family tree! Rusty Lake: Roots is the second premium point-and-click adventure by the creators of the Cube Escape series and Rusty Lake Hotel.

A little boy falls asleep to a horrible nightmare. Can you make him happy again?

'Crushing Depths' is a first-person horror game set deep down on the ocean floor, you will take control of an underwater drone tasked with locating points of interest using 3D spatial sound and once found scan them to build a story, but be on careful lookout for anything that may lurk down there!

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.

A Place, Forbidden is a first-person, lo-fi horror-puzzle game set in the Library of Ouroboros, a seemingly innocuous library that, rumor has it, contains knowledge not meant for the eyes of mortal man. We hope you enjoy your visit.

Fran Bow is a creepy adventure game that tells the story of Fran, a young girl struggling with a mental disorder and an unfair destiny.