Top similar games like Quantum Hell:

"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.

Work In Progress is a first-person adventure game set in the universe of an abandoned video game: Journey through environments with distinct styles, explore, solve physics-based puzzles, battle enemies, and discover why this game was never finished.

Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.

You like Sci-Fi games? You like FPS? You like games with secret items, collectables? You like short Indie games? Then you will love this game! The game takes place in a big mothership captured by aliens. Your mission is to kill all the aliens, and blow up the mothership.

In this intense first-person rail shooter, you play as Aiden Cross, an agent of the Federal Bureau of Anomalies (FBA). Sent to investigate alien sightings at a remote desert facility in Nevada, what began as a routine mission quickly spirals into a deadly battle against unknown creatures...

BONEWORKS is an Experimental Physics VR Adventure. Use found physics weapons, tools, and objects to fight across dangerous playscapes and mysterious architecture.

PROPAST is an old-school first-person shooter set in the brutal underground bunkers of the GTN - a Cold War regime that survived nuclear apocalypse by sealing itself below. As MO-535, an immortal engineer, break the cogs of oppression or become the Regime’s most feared enforcer.

Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.

Blast through hordes of relentless zombies in an action-packed journey across a stunning, mutated world. Arm yourself with guns, melee weapons, and grenades as you fight for survival through eerie ruins and deadly swamps.

Savage Gears is a violent, single-player alt-history Africa Cold War shooter. Armed with an Iron Fist and an arsenal of devastating weaponry, you play as Ero Lei'Bourne, a S.P.E.A.R. operative, in the middle of a dangerous conspiracy.

a first person virtual reality game explore a lab full of dangers, fight creatures.

A first-person survival horror set in Neuquén, Argentine Patagonia. Venture into a remote estate in Cerro Ocaso to search for your missing partner. Face hordes of the undead, manage your resources, and solve classic puzzles to survive the nightmare.

Cosmic VR Action Horror focusing on intense shooter action, twisted sci-fi anthology stories and disturbing atmospheric dread. You’re marooned alone in the Bermuda triangle of space, filled with ancient derelicts and ravenous aliens: By Grit Alone, you will survive.

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

An adrenaline-rush sci-fi FPS. A HYPER UNIT ASKA is sent on a suicide mission to rescue citizens' COREs from MOEBIUS, an orbital city turned into a deadly trap. Dive into cybernetic warfare, face the ENGINEERS, and uncover the secrets of METAL EDEN.

UAYEB: The Dry Land - Episode 1 is a solo story driven adventure / survival / puzzle game, on the path of the Mayan civilization, placed in an open world with the immersive First Person view.

A deadly virus, designed to reanimate the dead and integrate them with cybernetic enhancements, escapes containment and turns the facility's inhabitants into relentless, cybernetic zombies.

Arriving on a hunt in a small village, you become a witness to attack of alien forces on the ground, armed with a shotgun, you decide to repulse the alien intruders.

Become Kotel and liberate beloved Princess of Gigacrush that was abducted. Accept true-hearted friends to accompany your traverse.

The Cryptobiosis Project is a first‑person horror adventure with stealth‑action and survival elements. You have to unravel the mystery of a closed scientific complex where, long ago, work was underway to create genetically modified soldiers — but something went wrong…

They have been gone for millions of years, and have returned to reclaim our home! Make your way to emergency bunkers to survive, while avoiding these dangerous creatures, who will find you if you don't move quick!

Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city.

Dragged into a dark conspiracy, explore and survive your way through the beginning of the end for the nation of Australia. Use your wits and instinct to stay alive in this 2000s-style first person liminal exploratory horror shooter set down under during the 1990s.

Porcupine's Fate is an atmospheric first-person sci-fi horror shooter with puzzles, mysteries, and melancholic undertones. This is Chapter 1 in a six-chapter game.

Subsuelo is a horror game where you uncover an alternate version of events that took place in Argentina between 1976 and 1983. Explore a fictional facility abandoned by the government, where secret experiments were conducted in an attempt to create the ultimate weapon to win the war.

You, a lowly janitor, have been forced to go into the sewers to remove blockages that will cause a flood. But the inhabitants of this dark, slimy, stinking, writhing underworld do not like to be disturbed and will not let you leave alive.

Embark on a one-of-a-kind journey of exploration in "Elevator Experience". Step into the elevator and prepare to be transported to a world of mysteries, where every floor holds a new adventure waiting to be unlocked.