Top similar games like Horror Vacui:

You’re a retired lab worker sent to Tulega City, chasing UFOs. Only with a prototype scanner, hunt anomalies, weaken them, and stop the source from spreading before it’s too late.

A survival horror game where light is scarier than darkness. Use your radar and other tools to stay out of the light, sneak around dangers, explore the quarantined ship, and find a way to escape. But be careful, monsters are hunting you and are aware of your every mistake!

Liminal Shift is a unique atmospheric suspense game developed using the latest Unreal Engine 5 technologies such as Lumen and Nanite. With every step you take, Liminal Shift pushes you deeper into an eerie, unsettling experience like no other.

Scan the stars and claim planets for your corporate masters! In Planet Scanner, you will discover unique new worlds, decode transmissions, and upload data all in the name of keeping your job. But what happens if you gaze too long in the void?

An atmospheric first-person adventure about a reporter investigating a mysterious disappearance, which leads to chilling secrets of hidden government projects and a close encounter with visitors from beyond. Inspired by classic thrillers about aliens and unexplained phenomena.

Enter an infinite‑loop laboratory and retrieve uncontaminated extraterrestrial samples, and ultimately achieve your mission objectives.

This is a survival escape action game from a huge wave where you can experience fear and despair within the first minute. The goal is to run around freely in 3D space from a first-person perspective and avoid large waves. The joy of conquering a huge wave is immeasurable.

Inside an infinite laboratory where inhumane experiments were conducted on dogs, a concise story about loneliness, perseverance, and madness is told...

"Mannequin machine" is a first-person psychological horror game with camera effects that tells the story of working in a mannequin factory. Beware of the evil at the heart of the plant, it drives its victims crazy

Forced into working as an Anomaly Observer in a space stockroom, you must explore, observe carefully, and report inconsistencies. Earn Credits to buy upgrades, but beware: hideous horrors are creeping in the dark.

You are trapped in a strange resort, and every night you need to turn on the lights and check the entire room to ensure there is no danger before going to sleep. Once something goes wrong, the long night will loop endlessly.

A short horror game about piloting a rover across a dead planet on humanity's most desperate mission.

Haunted Space is a dark-sci-fi multiplayer co-op where you become a raider, a lethal bio-ship hybrid forged for combat. Join forces with your allies to hunt down the Colossi, titanic creatures that dominate the void. Evolve, fight, and survive in a ruthless alien galaxy.

Anomaly Operation is a sci-fi horror observation game. Trapped in the security room, you must monitor a derelict ship via CCTV. Report anomalies and avoid lethal threats. Survive until 03:00 AM.

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.

You wake up buried alive. You are running out of oxygen and you can't remember how you got here. There must be a way out, can you figure it out in time?

Navigate a seemingly endless corridor, uncovering eerie anomalies as you struggle to escape your doomed ship!

You are a patrol staff aboard the spaceship 'Tantalus'. Explore a spaceship filled with mystery, uncover anomalies, and report them to the control AI.

14000000000000000 years in the future our sun is re-discovered by the last remains of humanity looking for any resources left in a dying universe.

Close Encounter P.I. is a first-person investigation game where you hunt for evidence of extraterrestrial activity. As Jack Wilson, an alien abduction survivor, you explore eerie locations, use specialized tools, document strange phenomena, and compile reports based on your findings.

Your job sucks. Your relationship’s collapsing. And someone’s watching you from the shadows of Greasez’s. Welcome to the night shift.

Familiar feeds. New rooms. The end of your watch—unless the station has other plans.

A rustpunk sci-fi horror game with a touch of dark corporate humor. Operate a free-hanging elevator and explore the depths of a horrific alien world made of living tissue.

I went to school that night to pick up something I forgot... Aim for class 1 of 6th grade, and if there are no abnormalities, go up the stairs, and if there are any abnormalities, go down the stairs.

A short cosmic horror game where you remotely operate a land rover through an unknown planet labeled the silent zone.

You need to deliver the order to the 12th floor. But there's a problem in the apartment building. You find yourself trapped in a loop between floors. The way to break the loop is to detect the anomalies.

A first-person psychological horror game about the life of a K-pop idol. Explore a luxury apartment, Korean streets, and your agency building as you confront the unsettling truth hidden beneath the surface.

You are the subject of a failed quantum teleportation experiment. Due to a calculation error, you have found yourself in an abandoned complex on planet EC-10013, where dangerous creatures roam—creatures that emerged from the depths of its caves. Can you find a way to escape?