Top similar games like Nightmare on Azathoth:
Nightmare on Azathoth $0.99
Nightmare on Azathoth is a dark game, in which you might not want to find the truth. Manage your base, scavenge, collect memory fragments, and collect resources to power up your spaceship to escape this planet. Death only brings an endless time loop, that restarts everything on the 4th day.
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Gaia$19.99
A sci-fi base building survival game, featuring raids, agriculture, intelligent AI, natural disasters and more.

Subnautica$29.99
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.

The Riftbreaker: PrologueFREE
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

Outpost Zero$19.99
Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe. On a lawless alien world, robotic scouts are tasked with building an Outpost for human colonists. Command AI minions, colonize the planet, and survive the perils of Gaiya.

Downpour$0.99
Downpour is a hardcore 2D Base survival game. A simple game in concept, but a complexity in practice. Protect an Antenna that is being built from endless enemies so you can contact home. All the while managing closely tied resources. Death will probably come many times.

Ungate$9.99
The action is about a young man named Jason, who follows the steps of his friends to find them and to get them out of a mysterious cave that has its own ecosystem and is known by the locals of the West Village as the gate of hell...

Near Death$7.99
Stranded at an abandoned Antarctic research base with no hope of rescue, you must battle a deadly blizzard in a desperate fight to find your way home.

Don't Be Afraid$9.99
Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…

Forbidden Ingress$4.99
Our world is in danger! Grab your gun and stop these uninvited guests!

GearStorm - Armored Survival$11.99
GearStorm - Armored Survival is a story-driven, open-world sci-fi survival adventure. Discover what led to the Phage, a deadly virus apocalypse and our escape to a alien world. Explore a vast alien planet, build your base, create your colony, acquire vehicles, weapons, and supplies to defend it.

Occupy Mars: Prologue (2020)FREE
Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.

Roguelands$9.99
Embark on an epic journey in this hardcore Multiplayer RPG! As a Galactic Cadet, you and your Combat Squad of friends must brave hostile worlds in search of valuable loot and resources. Craft powerful gear, slay otherworldly creatures, and save the galaxy.

Vortex: The Gateway$7.99
Vortex: The Gateway is an open world survival horror game with two game modes. If you want to survive then be alert, sneak, build and fight. Meanwhile life back on Earth changes dramatically. What changes? You will get bits of information through your adventure. Prepare for the worst!

Avoid The Demons$0.99
Survive the relentless pursuit of demonic entities in "Avoid the Demons." Evade, outsmart, and unravel the mysteries of a haunting realm in this atmospheric and adrenaline-fueled game. Will you escape the darkness or succumb to its malevolent forces?

Return to Planet X$9.99
Return to Planet X is a close combat FPS in which you will have to smash tons of alien bugs.

Outlive$12.99
Outlive is an intense game of survival! Run, hide and outsmart mutants in a post-apocalyptic world. No fighting allowed, only puzzles to solve. Created by an indie studio founded by a father and son.

Nevrosa: Escape$14.99
Nevrosa is an escape room game with horror and action elements, where you are trying to find your way out of laboratory through solving puzzles while being locked in with a strange creature. Mystical machines, old family curse and various endings depending on your ways of play.

Beyond Contact$19.99
A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?

The Backrooms: Unseen Tapes$1.99
"The Backrooms: Unseen Tapes" is a first-person survival horror game where you navigate a maze-like, ever-changing procedurally generated environment. With stealth, speed, and strategy, evade monsters and conserve limited resources to maintain your sanity and escape this nightmarish dimension.

Novus Inceptio$19.99
Warning: This is an Early Access game! Welcome to an enigmatic world, where a new gaming experience in exploring, building and surviving is waiting just for you. Experience a sandbox world with survival elements, and join us in creating a full version of the game.

Medieval Engineers$9.99
Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build castles; construct mechanical devices and underground mining. There is an entire planet to explore!

Nightmare Rooms VR$14.99
How did you end up here exactly? There's something familiar about this whole place, as if you've been here in your dreams... or nightmares! So many empty rooms... You must be the only one down here, right?

Plazma Being$1.99
Take control of Zeb in this puzzle/platformer. He is a small energy based life form from space, known as a Plazma Being. While journeying through space to his home, Zeb was surprised to find that he was being kidnapped by aliens. They took him back to their planet and unceremoniously threw him into captivity.

JCB Pioneer: Mars$24.99
JCB Pioneer: Mars drops you onto the surface of The Red Planet. Your mission: To survive and prepare Mars for future human colonization.

The Alien Cube$19.99
Worlds collide as your cursed inheritance throws you into the middle of a series of mysterious events. Discover terrifying secrets as you follow your uncle’s disappearance, and confront a terrible truth that will change your life forever in this cosmic horror first-person adventure.

Amnesia: The Dark Descent$19.99
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

CRUEL WORLD$9.99
Cruel World - a sandbox and a survival simulator in a harsh post-apocalyptic world. Try on the role of a lone survivor. In a cruel world destroyed by human stupidity. Hide, craft, fight, explore, survive!

Hyperspace Delivery Service$9.99
You’ve been hired to make a delivery to planet Miridian V. The trip will be a dangerous yet lucrative journey full of mad robots and unpredictable stellar phenomenon. Name your crew, name your ship, manage your supplies, trade, battle, survive, and make your delivery!

Subnautica: Below Zero$29.99
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.

Death's Playground$6.99
Invite your friends over to play this nice lovely game and then.. BAM! Out of nowhere, you scare them to death, leaving them with nothing but paranoia and trust issues! Run, hide, shoot, scream.. try to survive the cursed mansion's creepy environment in this multiplayer (4v1) Psychological Horror.

A Night in Prison$0.99
You come to your senses in a cell that looks like you are in some kind of prison. It's almost silent, but sometimes there are some sounds.

Dreadhalls$9.99
You are trapped deep inside a massive dungeon. Explore it, survive it and find a way to escape. Your only weapons will be stealth, your own courage, and a faint light. Dreadhalls is an intense and scary experience, not for the faint of heart. You have been warned!

Zibbs - Alien Survival$7.99
Zibbs - Alien Survival is an open world game where you play as an alien trying to survive on the unknown planet - Earth.

Evil Nightmares$2.99
The Bell is ringing and there is no escape. The world is quickly shrouded in darkness and horrifying creatures lurk for Marv. He must face his fears and find a way out of this nightmare or he will be trapped in hellfire forever.

Chernobylite Complete Edition$29.99
Chernobylite is a science-fiction survival horror RPG. Set in the hyper-realistic, 3D-scanned wasteland of Chernobyl’s Exclusion Zone, explore a non-linear storyline in your search to uncover the truth of your tortured past.

The Solus Project$19.99
The Solus Project is a single player exploration adventure with survival elements. The adventure is set on a mysterious planet and is the spiritual successor to The Ball - 2010 PC Gamer Action/Adventure Game Of The Year...

Ad Infernum$9.99
Stranded at an abandoned gas station in the middle of the desert. Losing your grip on reality. Dark rituals. Demonic pursuers. No escape.

Daylight$4.99
You awake, trapped in an abandoned hospital. Your only source of light is your phone. You hit a dead-end and must turn around, but behind you lurks an eerie presence and strange noises... Experience Daylight, a procedurally generated psychological thriller for your PC.

QANGA$19.99
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLab's Industry labs, and journey through this expansive universe!

Final Night$6.99
A nightmarish descent into your worst memories awaits. In "Final Night," you're forced to relive your darkest traumas - now twisted into monstrous, living horrors that hunt you relentlessly. Every shadow hides a piece of your broken past, eager to drag you into the abyss.

Zardy's MazeFREE
Zardy's Maze is an extremely challenging horror game where you must enter a corn maze in the dead of night. Your goal? Cut down the giant plants that have started to grow there. Equipped with a flashlight and an axe, you must brave the unknown... And avoid what lurks in the darkness.

Elypse$9.99
Embark upon a tragic tale and discover the ravaged world of Elypse! Fight your destiny in an arduous 2D adventure, story rich platformer, in a mesmerising and mysterious world.

project BLARI$5.99
Try to survive in this semi open horror game inspired by the ps1 graphic era.

Bring to Light$19.99
Trapped in the city subway system due to a sudden disaster, you explore the depths of the tunnels to find your way out. The further you explore, the more you realize there is more to this disaster...and the lurking shadows are following your every move.

Lone Survivor: The Director's Cut$9.99
In this original and adult psychological survival horror, the masked protagonist must escape from a city ravaged by disease, by any means necessary.

Slenderman: Shadow of the Forest$4.99
Slenderman: Shadow of the Forest - is a thrilling first-person horror game that immerses you in a terrifying and mystical forest. Your goal is to find a way out of this dark and gloomy place by collecting necessary items that will help you survive and escape to freedom.

Don't Look BackFREE
You've taken what seems like an easy task: find missing keys to unlock doors that will lead you to secrets of the abandoned house. What you don't know is the danger that lurks in the house.

The Walking Dead: Saints & Sinners$19.99
Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead.

Sign of Silence$4.99
Sign of Silence is a 4-player cooperative horror game set in dreadful outskirts of Danwille town. Whether you will escape the place or stay here forever depends on cautious and coordinated actions of the whole team!

Fear of DarkFREE
Can you survive and kill the monster in the night forest? Or fall in a fight with this dangerous creature

The Backrooms 1998 - Found Footage Survival Horror Game$9.99
The Backrooms: 1998 is a first-person found footage psychological horror survival game where it tells the story of a young teen after accidentally falling into the depths of The Backrooms in 1998. Roam freely, mark, explore and try unravel the story - however you are not alone. Don't scream.