Top similar games like The Upper Downer Complex:

Incessant is a first-person survival horror game created to bring you hell on earth. As Dan Wallace, Explore, Run, Hide and try to survive the butcher... If you can.

In this first-person adventure/horror game, step into a forest where no one ever returns. Explore its haunted paths, uncover dark secrets, and gather the items you’ll need to survive. But beware—the more you discover, the more the forest will learn about you.

In this SCP story, you will become Liam, a broken test subject trapped within the Foundation. Every corridor hides a piece of your past, and every memory you recover brings you closer to madness.

You wake up from the noise of thunderstorms, no one there. You are trying to get out and realize that after all you are not alone here... Сan You Exit From?

Close Contact is a narrative-driven, sci-fi horror game where you must navigate an advanced underground base whilst avoiding the alien creature that stalks you.

A young reporter investigates disturbing legends born of the Italian Internet. Brain rot-do they really exist? Discover the truth, photograph the entities and collect the figurines before the moon turns red. A psychological horror between folklore and madness.

A tense single-player horror game where your phone is your only tool. Take unsettling calls, uncover hidden clues, and survive the unknown. Every call could be your last.

BORZOI is a first-person survival horror game where you are relentlessly hunted by a giant, demonic Borzoi dog. Experience high tension as you fight for survival, solve high-stakes puzzles, and uncover the dark legacy of a twisted cult—all while evading a predator that cannot be tamed

Unlitten is a singleplayer (soon to be multiplayer) horror game in which the chosen survivor tries to escape zombie-like creatures and learns more about his past.

Dead Return is a first-person psychological horror game about returning to a place you can never leave.

A 2.5D indie horror game with a strange reverse-fish-eye presentation. Explore and uncover lore and scares. Contains jumpscares and atmospheric/story-driven elements. Be thorough to unlock both endings if you are a completionist, but watch out behind you.

"Polygon of Reality" is a horror game in which you will have to unravel the mysteries of other dimensions and a research complex. Descend into the complex buried in the ground, uncover the mysteries of what happened, meet with forgotten fears and unknown creatures.

It was supposed to be just a funny escape room experience... until you realize the incredible truth. In this tense horror puzzle-adventure, solve complex mechanisms, navigate deadly corridors and evade terrifying entities lurking in the dark, while trying to find the true exit.

Explore the Archaeological Park in Sardinia in search of Ellie, your girlfriend who vanished after her work shift. Uncover the dark connection between Lithus Corporation and Ellie’s fate and stay silent: something is hunting you.

You're a regular employee of department 14. One day, after falling asleep at your desk, you wake up and notice that all the other workers have left early and you are alone in the department.

A lone urbex in an abandoned hotel - what could go wrong? Explore the surroundings and find the mysteries of this place. Don't forget to be quiet - urbex is an illegal adventure, and you don't want to be found...

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.

A Seeker recalled to an abandoned Monastery on the Cosmic Shoreline. A cosmic evil lying in wait. Explore, investigate, and survive by channeling the psychic powers of the Cosmic Waters in this first-person, survival horror game.

Explore an abandoned research facility, uncover evidence of horrific experiments, and escape alive. Complete randomized objectives with your team while evading bio-engineered threats in this atmospheric co-op horror experience.

You are Rudra, an explorer who enters a cursed Indian castle to uncover the truth behind Nilawanti, a troubled spirit bound to the sacred Granth. Solve puzzles, survive her wrath, and uncover a haunting story whispered for years by the local people, filled with fear, mystery, and forbidden rituals.

Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.

Classroom Whispers immerses you in the eerie hallways of an Argentine school during the night shift, where nothing is as it seems.

When the sun sets, you die. A first-person narrative adventure set on a desolate shoreline where your life is determined by how much light there is left. You awaken amidst shipwrecks and shadows of shattered past dreams. You have one hour to reach a distant lighthouse of hope...or die.

The Schism is a sci-fy horror game. There has been a paranormal split, colliding realities and causing all manner of dangerous lifeforms to scatter across the globe. With the world in chaos, it seems like it's down to you to get to the bottom of it.

Explore and survive a twisted Hundred Acre Wood while being hunted by an old childhood friend, Winnie-the-Pooh. Rescue Christopher Robin with the help of Eldritch Beasts that were once familiar faces. Discover what took place and has changed a once beautiful land into something dark and dangerous.

Awakening from a long coma following a training injury, Soldier Basel finds himself alone in an isolated camp on a deserted island surrounded by questions and mystery. He begins to search for answers to uncover the secrets, and whether they are painful truths or terrifying illusions.

A survival horror game where every breath could be your last. Explore a sinister Antarctic complex, unravel its mysteries, and try to survive before the darkness consumes you.

Dive deep into terror in Deep Depths, an immersive survival horror set in the pitch-black depths of the ocean. As a lone researcher, explore the eerie remains of your lab and outwit the lurking terror that hunts you.

You are a Class D personnel on an experimental mission for the Foundation to investigate SCP-479. The facility is linked to anomalies affecting the human psyche, gradually driving them insane. Please remember to take your pills.

Uncover the origins of SCP-173 in the abandoned exclusion zone surrounding Chernobyl. Told through the lens of found footage recordings, explore a hidden facility where Soviet secrets should have remained forgotten.

ETA: Unknown is a psychological horror game set deep within frozen dunes of Antarctica. When remote research sites fall silent without explanation, you're sent on a lone reconnaissance mission – into silence, cold and something far bigger than you.

Veil of Sanity: Echoes of the Carnival (Chapter 1) combines psychological horror with intense gameplay. Keep your sanity intact as you explore a forsaken carnival. More chapters coming soon!

On the remote island of Scirine, Majed, a young biology intern, arrives at Al-Bayan Research Center, expecting scientific breakthroughs. But his journey turns into a descent into mystery as he uncovers terrifying truths, where reality blends with illusions, revealing more secrets with every step.

A first-person horror game where you’ll perform rituals, evade deadly animatronics, and explore a decaying factory. Outsmart the relentless machines and escape if you can.