Top similar games like Gaussian Mansion:

Follow the balloon, run around the carnival. Find the key, hide in the box, watchout for the red nose. Will you be able to unlock the lock?

Sivi's Factory is a single player first-person horror game in which you play as Felix. You are looking for your brother on the scientific factory. Solve puzzles on the locations, explore new rooms, fight your enemy and go deeper into factory.

Tear through the decaying Earth as a mutant half-worm in this arcade inspired rail shooter! Branching paths, fast-paced gameplay, and lots of gore: this grotesque mass is a blood smeared love letter to the classics of old.

Death Again is a single player horror fps. Journey through a nightmarish realm that lies between dimensions in search for salvation.

Battle your way through the levels, search for the gear you need to stay alive, and find the exit to the next level. Explore entirely new procedural levels every time, just to see how many you can get though.

Immerse yourself in a survival horror escape room experience. Trapped in a mysterious world of darkness where shadows lurk, your only help is a secret book and a flashlight. Solve the enigmas and move unseen to escape Umbra’s domain.

Old Roots: fight your fear and survive your fate. Inspired by the geography of Siberia and with inspiration from games like Doom or Hellblade, you will have to face your own fear and overcome your enemies... without losing control.

Cast your spells with Edessa's unique spellcasting. Destroy the demons that have plagued the earth. Witness how Göbeklitepe shaped the history. Let the mythical creatures lead your way. Solve the puzzles and find what destiny has in store for you.

El Virus is a first-person Survival Horror video game where the protagonist (Yara) wakes up alone surrounded by dangerous monsters created by a new strain of COVID-19. In addition to surviving, she must find her beloved pet, Nala, and her partner, Denki.

You are Sara, an 11-year-old girl who finds herself in a mysterious place, it's up to you to find out what happened, how did you end up there and unravel the mysteries that you find on your way.

Fight possessed souls, solve deadly puzzles, and master movement abilities like wall running to infiltrate a sinister factory built to control everyone. Survive the sweet world of Mr. Shrine’s candy empire in this action-horror adventure. Uncover dark secrets, meet mysterious characters, and gods.

Mortal Dark is a first person action-adventure retro game where you have to do anything to survive and escape from the hungry creatures.

A Survival Horror game: Paranormal Investigator, Jonathan Hunter, awakens in an alternate realm finding himself fighting to survive. Forced to team up with a ghost girl named Angel trapped in a strange artifact, they must work together to escape an underground laboratory and evade dangerous enemies.

A dark action adventure with old-school aesthetics and a stylized, terrifying atmosphere. Explore a nightmarish forest, solve environmental puzzles, and uncover a story that gradually unfolds, step by step, in the silence. Will they remember your name? Or will you become just another lost soul?

Explore a mysterious house filled with terrifying secrets. Armed with only a gun and flashlight, search for clues, survive dangerous encounters, and unravel the shocking truth behind the eerie silence in The Shattered Truth.

Escape the lab and survive through dangerous monsters and military personnel

Sabotage a cult and their schemes in this Mystery, Horror, FPS. Explore a mansion while massacring the creepy followers and their foul abominations. Find various weapons to slay your enemies with and uncover the cruel secrets of the organization.

Telescape is a horror / puzzle game consisting of multiple sagas that each have a different goal and add extra mechanics. Find items, solve puzzles and change the direction of gravity while teleporting a monster to a random location as your only means of defense.

Inside SCP-167 is a first-person psychological horror game that combines investigation and puzzle-solving. Take on the role of Alex, the most experienced agent of the SCP Foundation, and explore a labyrinth of cubic rooms in order to put an end to a growing evil that is spreading throughout the area

Embark on a chilling journey as a young woman uncovers her past, answering the call of a tormented soul. Explore an isolated shrine in Japan and be transported back to the Edo period. Navigate through the mysteries and terrors of a fateful night in this spine-chilling horror survival game.

Dark fantasy indie horror. The game tells the story of three friends who were embroiled in a strange game.

X300 is a slow-burn psychological horror experience inspired by real Cold War history. Deep beneath the Australian outback, a forgotten facility monitors your every move as isolation, paranoia, and institutional control consume your descent into its decaying halls.

Escape a haunted bowling alley. You're working the night shift as the janitor – until a giant mascot pin starts hunting you. Get out before it's too late.

It’s a horror first-person game where you have to plunge into a complicated story that at first glance seems simple, but hides a lot of details and puzzles, you're alone in the dark only to survive this night.

Dr. Pumpkin Island is shrouded in mystery and intrigue, with its inhabitants being some of the most unusual creatures you'll ever encounter. From the moment you step onto the island, you'll feel like you've entered a different world, with strange noises and peculiar sights around every corner.

A first-person survival horror game where you play as Riley, a night guard trapped in an abandoned summer camp. Explore, solve puzzles, and uncover the mystery while escaping a relentless creature that hunts you in the dark.

God Shot is a collection of violent party games, one lethal rule that failure is fatal. Get your friends together and risk it all to show your life is the only one that matters. Don't expect to survive.

[FATAL RESEARCH] is an arcade rail shooting FPS game set in the SCP world. You can enjoy three types of play: exploration, chase, and defense.

"Echoes of the Museum" immerses you in a first-person psychological horror set inside a corrupted museum. You are Alicia, a restoration student drawn into a nightmare where collecting souls opens sealed paths, but slowly erodes your sanity and distorts reality.

Loop Theory is a horror game in which every minute spent in the game changes your idea of the story. Take on the role of a character with a mysterious past and find out about what happened.