Top similar games like Grimstone Valley:

The Insignia Project is a horror game that delves into an alternate universe within our multiverse where it has been corrupted and broken beyond repair. UO#-405 is now an ever-consuming universe where all of your nightmares come together into one place. Our universe has just been added to the mix.

SESSIONS blends horror, action, and atmospheric exploration. Face existential horrors and terrifying creatures in this dark sci-fi tale.

Explore a futuristic ghost town, rescue your friends from danger, and fight off the Negative Agents before they turn your life into a living hell.

Journey through a distorted theatre held together by the fragile mind of a grieving puppet master. With only a needle and thread, traverse through this world and evade twisted and terrifying creations. Shatter the delusion and unravel the truth behind it all.

A narrative-driven exploration game where your choices shape the outcome as you traverse an ancient temple and confront the fate of an Old God's eternal slumber.

In Sharp Eyed you hunt an invisible creature using only your sense of hearing. Track them down in short, hunter vs hunter style levels. Headphones strongly recommended.

INDUSTRIA 2 is a narrative FPS adventure about a woman stranded in a parallel dimension. Explore, scavenge and fight your way through a mysterious boreal landscape consumed by an ever-hungry artificial intelligence to find a way home.

An isometric stealth-action adventure blending cosmic horror and mystery. Explore a dark city, face sound-sensitive monsters, solve puzzles, collect crystals to unlock abilities, and manage sanity in a fight to stop the Void God.

A psychological horror adventure where you investigate a large art gallery following many disappearances. You'll go on a journey filled with fear and stress to find out what happened to all those who went missing.

A surreal point-and-click adventure about harvesting mysterious Aether in an abandoned town. As a new corporate hire, explore a reality-bending anomaly, uncover dark secrets, and confront existential horrors while questioning the true nature of your mission.

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.

"God's Miniature Garden" is a horror game where you can freely explore a residential area at night, both indoors and outdoors, and aim to capture each location. Find out what the heck is going on in this area!

Cosmic Dawn is a fast paced retro shooter that stays true to the golden formula of the genres classics while raising the bar with innovative monsters, weapons and a large variety of worlds to traverse.

A horrifying experience in a strange and timeless universe. Explore, solve puzzles, fight for your survival and try to escape this nightmare.

Sick and exiled, a hero is sent to the Lost City for the final crusade. Black Somnia is a narrative-driven cinematic platformer with intense action, challenging puzzles and a heavily stylised art style.

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…

Descensus is a souls-like action-RPG with challenging combat set in post-catastrophe diesel punk world. The player's goal is to reach the heart of the mysterious Rift of the Fallen Star. It is necessary to stop the expansion and spread of the anomaly before it absorbs the whole world.

A dark and surreal puzzle adventure set in a decaying town where veins pulse through ruined structures and the night hums with unfamiliar life.

The Tower Of Tears is a non-linear Survival-Horror game that blends 3D metroidvania elements with light dungeon-crawling. Explore and fight or sneak your way through this menacing tower. You are NOT alone and danger is lurking in every corner. Use wisely every tools at your disposal to stay alive...

Dyer Expedition is a puzzle adventure game with light Lovecraftian horror elements and a story inspired by Lovecraft's 1931 novella At the Mountains of Madness.

Mircea is a short spooky adventure game. Explore a subway infested by mysterious, bug-like beings. Investigate and understand the monsters to capture them... before they capture you.

Dive into a dark thrilling environment and fight for your survival while exploring brutalist environments as a young Fogdweller. Escape, kill, and die while the environment and terrifying enemies work to spill your blood. Will you fall victim to the trials or will you prove yourself to your tribe?

Pharos Light is a survival horror game inspired by “The Lighthouse” and Lovecraft. Upgrade the Lighthouse with unique equipment, develop the island, and survive the night.

Unmask the secrets of a fractured utopia in "Tenebra,"a hand-drawn 2D Metroidvania where baroque excess meets technology. Collect ornate masks to unlock mysterious powers, solve intricate puzzles, and battle through a world that's equal parts Versailles and Dark Souls.

An FPS horror game set in a surreal, dark and deadly biomechanical world never seen before. Humankind is just a small part of a hostile universe. Want to survive? Discover its secrets.

A horror game inspired by Super Metroid and The House on the Borderland. Explore, survive and escape from a mysterious tower, inhabited by ghouls and monsters.

A Souls-Like Western. Explore the accursed Wild West town of Tombwater and lay bare the eldritch horrors that lie beneath. Survive blood-spilling combat in this gruesome 2D action-RPG that might just drive you to madness.

After another fit, the lead singer of a punk rock band finds himself in the world of his fantasies. Here he is greeted by strange creatures, horrifying monsters, and bloody stories. Will the main character be able to return to his world or will he remain here forever?

Prey by Day, Predator by Night. A First-Person Survival Horror game created in Unreal Engine 5, made by one person.

Psychological horror, puzzles, platforming, adventure, dungeons, action, intrigue and a terrifying story are all terms that should be used to try to define the essence of «Permanent: Hope & Vacuum».

Slaughter hordes of zombies and challenging bosses in Bodyrain: a zombie FPS game! Accumulate money to acquire new weapons and gain experience to strengthen your character and clean up Dawn City!

Grimdark survival horror about a nun in a space suit.  Sent to stop a biomechanical plague, you must balance faith with survival as you recover sacred relics, scavenge resources and craft the tools of your salvation.

In this experimental singleplayer 3D horror game, a man struggles with adopting a familiar child off the street while outrunning the consequences of an agreement he made with his nightmarish stalker.