Top similar games like R'lyeh:

Mass Invasion is an open-world co-op survival horror tactical shooter with zombie hordes and alien invaders where you must survive and find your pregnant wife.

A sci-fi zombie infected third or first person action with elements of parkour, combat with weapons or hand to hand, many modes of transportation. Ability to craft items and build your safe zone.

No clipped through your ground, huh ? What a shame... Well get used to it ! You'll live in the Backrooms now. To summarize : run for your life, hide from the entities, and keep track of your surroundings, you don't want to get separated from your group...

In the gripping world of VORAX survival takes on a new terrifying dimension. As you step into this Open World Survival Horror game brace yourself for a journey where every moment is a battle for survival. Every choice, every move, every breath could be your last. Are you ready to face the unknown?

Face the supernatural dangers of the Olympic Exclusion Zone with a car as your only lifeline in this driving survival adventure! Scavenge resources, load up your trusty station wagon, and drive like hell to make it through alive.

Dark Colors is a psychological horror adventure set within an abandoned research facility. You follow your character as you find out what exactly happened here years prior, tasked with gathering information, you start to suspect that you may not be alone in this facility...

A Long Time Ago is a 3D RPG, Adventure, Mystery game. A terrible accident happened and ever since you cannot wake up or even remember who you are.You will have to search deep inside your subconscious where all the truth about who you are is hidden and become who you used to be.

The zombie epidemic, which is the first stage of the 3 stage alien attack, has begun, the governments have banned news channels from reporting on it until they know more about the subject, but they were unable to control social media quickly. .

Horror Loop, made with a new generation game engine with a deep, impressive and original story, is waiting for you!

Buried in Ice is a first-person horror game with survival and shooter elements. As a Secret Service Agent, you have been assigned to guard and ensure the correct functioning of an Antarctic research base. Can you survive and solve one of the most concealed mysteries of the U.S. Government?

Step into the isolated abyss of Fort Oasis. From the creator of Turbo Overkill, Total Chaos plunges you into an atmospheric survival horror across 9 harrowing chapters. Armed only with makeshift weapons and your wits, unravel the mystery of the islands vanished miners...

Welcome to Poly Backrooms, an unique multiplayer co-op horror game that combines the infamous backrooms creepypasta with a fun, low-poly aesthetic. With up to 4 players, you and your friends will navigate through the backrooms, solving intricate puzzles and avoiding dangerous entities.

Trapped in a mysterious place, you must uncover the truth. “Outsanity” offers a blend of stealth, puzzle-solving, and exploration. Tread lightly and solve the sparse enigmas to escape, but beware the monsters hear everything. Can you outwit these lurking creatures?

Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.

Immerse yourself in the mind of a lone clone, created by an abandoned factory with an inexplicable mission: conquer a desolate planet. Uncover the mystery of your existence as you explore a world littered with the remains of failed clones, questioning your purpose and sanity.

Your old friend you co-founded a game studio with has contacted you 4 years after the studio shut down and you both parted ways following a major controversy. He tells you he's got the studio set back up again and would love to discuss a new game project with you. What could it be?

An alien creature is loose on your spaceship and it’s out for blood. Run, hide, use the resources at your disposal and work with your fellow crew members to get off the ship before it’s too late.

The Voidness is a SCI-FI psychological horror game where it takes place inside the void where it's filled with just gloom - the only way to see is by scanning the environment with your range finder device, however you are not alone. Don't breathe ... as they are listening.. and watching.

First-person single-player / survival / RPG game with zombies and wildlife.

Classic FPS style game with modern graphics. Fight through a series of highly challenging levels in a variety of environments. Take on many types of enemies with your shotgun, assault rifle, grenade launcher & nuke launcher. Solve puzzles, race rising lava, decipher codes and activate portals.

A Free to play Post-apocalyptic and survival horror-based game, enriched with jumpscares and story. explore, apply logical thinking, adventure, and find the CURE! dark-atmospheric environment, and scary vibe. Not just about the game but about the story.