Top similar games like Zero Tolerance:

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

Floating Life - first-person horror You are left alone on a small island, where you have to face the horror lurking in the darkness. Don't let the light go out at all costs and stay alive. Immerse yourself in a truly oppressive atmosphere of horror.

What will you do when the zombie apocalypse comes, are you ready to tackle it right now and stay face to face with all the horrors that will appear?

Devil Daggers is a fast-paced shooter that places you in an abyssal arena to face endless legions of demons. Armed with versatile magic daggers and a fluid movement system, fight to survive as long as you can.

Are you ready to test your skills and bravery in the ultimate horror action game? Introducing Forkscythe, a retro FPS unlike any other. Set in a nightmarish world overrun by attacking skulls, you'll need quick reflexes and strategic thinking to survive!

Escape From Zombies is played alone or in cooperation, on a map where the player(s) must repel waves of zombies. It should be noted that the game does not end until all players are dead, the main goal is to beat the record of survived round.

In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033.

Battle an army of sycophantic cultists, zombies, gargoyles, hellhounds, and an insatiable host of horrors in your quest to defeat the evil Tchernobog. Squirm through 42 loathesome levels filled with more atmosphere than a Lovecraftian mausoleum.

No More Room in Hell 2 is a terrifying 8 player co-op action horror experience. Find your friends in the dark and survive - in a dynamic, endlessly replayable zombie apocalypse.

It is the year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above.

The Covid vaccine has turned some of the population into monsters. Will you be able to stop the zombie apocalypse and create a new vaccine, or will you turn to the dark side in this first-person horror shooter with consequences for your choices.

Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.

An unparalleled alien invasion has overwhelmed the Mining Block Facility on the moon Triton, leaving only death and horror in its wake. You are a mercenary known as Operator8 and you alone have been called in to bring a stop to this fierce attack. Destroy the hive mind at all costs!

Team up and face relentless horrors in this co-op survival shooter. Survive as many days as possible against waves of unnamed creatures, upgrade gear, and compete in PvP to prove who’s the best slayer. The longer you last, the deadlier it gets.

Zugnaex is a very powerful demon. If you say its name correctly, every single little tiny syllable, you will summon the demon & bring forth the apocalypse. But Zugnaex has never faced a foe like you. Battle online with your friends & overcome different challenges to ultimately face the demon itself.

The streets have fallen ill. You have been sent on a divine mission; you are the only hope to eradicate the evil that looms over the city and to uncover the secrets hidden in its depths.

Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

It is a misty evening in the year of our lord 1912. The Pattersons, a poor but proud aristocratic family of the British nobility, and some of their closest friends, arrive at the castle Malachi residence of a wealthy Romanian Count.

A realistic first-person action horror game that takes you into a dark fort overtaken by a mysterious entity. Unpredictable monsters, a visceral dismemberment system, and realistic physics create an atmosphere of relentless terror.

Psychological horror game based on an old cursed ghost ship. Navigate the town of Hollow Point, and the accursed ship while trying to keep from going insane. Run, hide, and fight your way through the undead and save the town from a curse that has plagued Hollow Point for centuries.

Experience the original F.E.A.R. along with F.E.A.R. Extraction Point and F.E.A.R. Perseus Mandate.

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Join the corps! Umbrella Corps brings a competitive experience featuring new types of strategy and technique blended with elements from the world of Resident Evil, to create a unique kind of shooter!

What twists the mind of an ordinary human into a serial killer?

Humanity's ambition for the stars turns into a brutal fight for survival. The crew of The SS Destiny discovers a bacteria that turns their mission into a nightmare. Find resources, battle infected, and escape the doomed ship as it spirals into chaos.

Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.

A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.

Psychological single-player first-person horror. Explore dark environments, fight with melee and guns, and solve puzzles in this retro 2000s-inspired nightmare where the truth is more terrifying than the monsters.

As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

Lost in Hell is a single-player game with endless hordes of monsters, grim characters and gritty scenarios! Blast your way through the evils on this atmospheric side-scrolling, with directional freedom to explore and combat, or to flee your enemies and spare ammo.

EBOLA 3 - is created in the spirit of the great classics of survival horrors. In this game, you will control the main character with a first-person camera which makes you feel like you’re in a real horror movie.

Kyle wakes with a headache unaware he has survived a helicopter crash in Nannestak Norway. Alone on a farm he suddenly finds himself in a space suit. A flash of light transports him back to a mission he must complete. As he progresses he experiences flashbacks uncovering pieces of his lost memory,