Top similar games like Project: Annwn:

No Son Of Mine is a survival horror game focused on combat, stealth, exploration, puzzle solving and uncovering a gruesome mystery.

In this psychological horror set deep within a top‑secret Cold War research bunker, fear takes form in shadows. Aim your film‑camera and watch reality shift. Solve mind‑bending puzzles, and confront both the specter of global conflict and the creatures lurking in your psyche.

You have to escape Granny and Grandpa...You have five days...

Remorse: The List is a classic survival horror game where the player must figure out what is happening in the little hungarian town of Hidegpuszta, and your only clue is a list that doesn't make much sense. Exploring will be the key to unveiling its secrets and get out of there alive.

Corrupted immerses players in a haunted mansion, providing a suspenseful exploration of its eerie past. Combining psychological and survival horror, the game offers a truly chilling experience with elements such as exploration, puzzle-solving, resource management, and combat.

Richard Hartman, a 16-year-old trapped in hell. Used as a test subject for sinister experiments, he must survive unimaginable horrors. With barely any resources, every bullet counts. Move in silence, survive grotesque trials and stay alive long enough to uncover the truth, if you can…

When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?

A first person survival horror where escape is an illusion. No flashlight, no inventory—just your instincts… and what lurks behind you.

Uncover the dark origins of Gehinnom in the singleplayer prologue, discover the forces behind the realm and learn the secrets of how to escape. Explore the map and gather clues to perform a powerful ritual and banish the demonic hunter that stalks you.

Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.

SECOND SHIFT is a first-person game that immerses the player in a deep and intense horror atmosphere. Using a mysterious clock, you must uncover terrifying secrets while trying to escape the mine. Solve puzzles, pay attention to your surroundings, and most importantly, survive.

Grab your headphones and play one of the most atmospheric horror games on Steam!

Enter this first-person shooter with dark and realistic scenarios, use your shooting skills to kill all the enemies and survive. Explore the scenario and collect all the resources you can because you will need them to get out alive.

Explore the House of Lies in this first-person survival horror game. Solve puzzles and scavenge for resources as you use your survival skills to navigate through terrifying environments and enemies to unravel the truth behind the mystery.

Yoko no Hanashi is a first-person survival horror game where you need to survive in an abandoned college with one of your chosen yandere: Yoto (male version) and Yoko (female version)

Dying 1983 is the new adventure from the Dying franchise. In this first person puzzle game, Dying 1983, you will operate the protagonist to freely explore the 3D scenes, using a variety of props collected to solve one puzzle after another, ultimately discovering the hidden truth behind the scenes.

Fear in Hospital is a short survivor horror in hospital where you should find a occult path to escape alive!

Rediscover the meaning of terror with Submersed. Are you afraid of depths? You will be.

HELLSEED is a first-person horror adventure that combines puzzles, action, and a chilling narrative. In a dark world full of supernatural threats, you’ll need to solve complex puzzles and manage your sanity. This isn’t just a fight for survival—it's a journey into the depths of terror.

NoW YoU SEE is a story driven, first-person, point & click, horror adventure. You must escape!!! Explore the house, solve fiendish puzzles, uncover horrible secrets and get ready to meet the family. STORY. PUZZLES. GORE.

They That Feast is a cosmic / Lovecraftian horror game in which your enemies can't simply be observed by the naked eye. Can you walk the line between sanity and survival?

MADiSON is a first person psychological horror game that delivers an immersive and terrifying experience. With the help of an instant camera, connect the human world with the beyond, take pictures and develop them by yourself. Solve puzzles, explore your surroundings and most importantly, survive.

A 3D Survival Horror Game, in which the player has to investigate an abandoned medical research facility, while looking out for whatever danger that resides in the unknown darkness. An indie game made by a 14 year old student.

From the sick mind behind Bloodwash, Jordan King, comes his latest experiment in terror. Inspired by the Italian zombie flicks from Lucio Fulci and Bruno Mattei, Night of the Gates of Hell promises to be a blood dripping, neon soaked, flesh rotting experience.

Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans.

Escape The Ayurok is a first person horror-adventure videogame, in which you need to escape from a haunted mansion as quiet as possible, to evade the hideous creature called "The Ayurok". Stealth Mode will be your ally!

Robotization: The Last Human - a first-person survival-horror game in which you have to survive in a world full of horrors. Be afraid of unknown creatures and lose your last hope for salvation.

SILENT DOOM is an atmospheric first-person survival horror adventure set in a nightmarish universe. Gameplay consists of combat, exploration, and puzzle-solving. It is designed around the idea of "being thrown into the world". Isolated and lost inside this nightmare world.

Ashes of Torment is a harrowing psychological horror where reality fractures under a tragic past. Solve mind-bending puzzles and survive the darkness as the lines between memory and madness blur. Will you unearth the roots of this curse, or become just another pile of ashes?

Among Ashes is a terrifying first-person survival horror game. Your friend has sent you a link to a game that someone posted online, but as you play you quickly realise that something is terribly wrong. Whatever you do… K̴͉͚̗̅̃̄E̷͓̤̺̊͠E̴̤̰̿̽P̴̠̳̀́ ̴̨̮̭̕̚P̷̠͇̳͐̓̀L̶̹̔Ả̷̧Y̵̘̺͆̓Ï̸̻̏͂N̷͙̯͊G̵͖̹̠̽̿

WARD 107: SILENCE is a first person psychological horror. Your microphone is the key: use your voice to solve vocal puzzles and uncover the atrocious experiments of Project H.O.P.E. Speak to progress, but silence is your only defense when they hunt you. Make noise, and you die.

A failed toxic weapon experiment left you alone in an abandoned village… or so you think. Craft, explore, uncover dark secrets, and help the last survivors—if they’re still human.

Aka Manto (赤マント Red Cloak), aka Red Cape or Red Mantle, is a Japanese urban legend about a masked spirit who wears a red cloak, and who appears to people using public or school restrooms.

Unforgiving - A Northern Hymn is a first person horror game heavily inspired by Swedish folklore and the Nordic mythology to create the nightmares that's been haunting Swedish children for many generations.

Experience an intense survival horror journey as an investigative agent in a dark and cursed village. The quest for a leader has never been so hindered.

A psychological first-person horror experience. Set in California, USA, blurring the line between game and reality. Confront the events which completely changed Zane Zaminsky´s life.