Top similar games like Quadrillion:

MAXIM, is a concept game where the idea of a machine future come to life.Through the trenches of The Great War witness the inception of your demise.And the coming of a new age.

A psychological horror FPS where time fractures between 1986 and an alternate 1919. Fight nightmarish creatures, uncover a dark conspiracy, and struggle to reclaim your place in time.

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.

Tales of Terror invites you to delve into a chilling co-op horror survival experience. Unite to face unique enemies, navigate through visually stunning and treacherous levels and navigate the unknown. —Your ultimate challenge awaits: escape, if you can!

Chapatriste is an intense FPS that immerses you in an infernal world based on the Spanish Tercios of Flandes. Face hordes of skeleton soldiers in a dark and terrifying environment where survival depends as much on your aim as on your melee combat skills. Fight!

Mansion Mayhem is a zombie survival FPS set in a vast mansion. Battle hordes of undead with an array of weapons in intense, endless shooting action. Fight through your limits and defeat massive hordes with powerful guns!

Cast your spells with Edessa's unique spellcasting. Destroy the demons that have plagued the earth. Witness how Göbeklitepe shaped the history. Let the mythical creatures lead your way. Solve the puzzles and find what destiny has in store for you.

Six Days in Fallujah is an intensely realistic first-person tactical shooter based on true stories from one of this century’s toughest urban battles.

Satan Santa is a first-person horror walking simulator where you play as a child trapped in a Christmas nightmare. The jolly Santa you once knew has become a bloodthirsty demon, and now you must fight for survival through an eerie house and a forest filled with horrors.

War is Hell. NecroVision is a first-person shooter that takes gamers across the frantic battlegrounds of World War I and into a dark underworld of vampires, demons and dark magic.

Death Again is a single player horror fps. Journey through a nightmarish realm that lies between dimensions in search for salvation.

The Revival is a story-based, tactical stealth First-Person Shooter game which is set in the near future. Get ready for covert operations. Play as a well-trained special soldier who fights on his own against his deadly competitors.

Battle Royale and Extraction that blends PvP and PvE, You are a operative that will drop into the infected region and attempt to recover artifacts and eradicate the infected.Each player is pitted against Zombies, Monsters and each other. Online or Single player for practice with bots!

First-person survival game set in the early stages of an apocalypse. Explore urban areas filled with brainless demons. Find what you really want or become one of THEM.

The Rock Map Pack is Now Available! Join the Resistance, stand united and fight for freedom against an overwhelming military force.

Blood Rot: 1918 has players fighting against hordes of the undead in the midst of The Great War. Survive solo, or with friends in this first-person zombie shooter.

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.

In VAN HELLSWING, we combine explosive movement with a retro look to bring you a shooter straight out of hell! Keep moving to show those leeches not to mess with VAN HELLSWING!

At that day the Russians start a miss planned attack against Ukraine, Joe grabs his preferred weapon to stop the Zombie Russian Soldiers that got infected by a sick experiment of Putin. Fight for democracy and freedom in a wave like horror VR shooter experience for free.

IMHA is a first-person shooter set on an island ravaged by a demon invasion. Battle your way through endless hordes of enemies and survive the onslaught of relentless ghouls and demons.

Tactical extraction shooter meets immersive survival horror. Play as rival mercenaries fighting for loot, or as alien monsters hunting humans from the shadows. Solo or with friends, experience this unique dark take on asymmetrical PvPvE multiplayer.

Escape together or die alone. A relentless creature is hunting you in this intense co-op bodycam horror experience. Communicate. Stay quiet. Survive. Every move matters. Every sound could be your last. Made by one developer.

All Out War: Red Horizon is a large-scale first-person shooter with destructible environments, drivable and customizable vehicles, characters, and weapons. Its gameplay bridges the gap between milsim and arcade-style shooters, keeping mostly the fun highlights of warfare front and center.

Become the unstoppable, destructive force at the center of Hell's eternal war. Fight in massive battles against thousands of demons that stretch to the horizon. Master brutal, high-speed combat and seamlessly command your own legions to carve a bloody path to the throne of Hell.

NecroVisioN: Lost Company is the prequel to original horror FPS shooter, taking place before the NecroVisioN story begins. It contains a bunch of unique levels, characters, weapons and gameplay elements as well as new main hero that presents the original game story from opposite perspective.

Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...

A horror survival game, where you explore an open-world town set in the Wild West, find and upgrade weapons and vehicles, and use them to beat an evil clown monster named Silly Billy.

Defend and Clean Mr. Wong’s suburban supermarket. By day shoppers will come shop but they leave a mess! And by night the hungry "Zombies" come for their revenge. As his trusted Agent that was hired for this job, it’s up to you to protect the store and your own skin!

Unlitten is a singleplayer (soon to be multiplayer) horror game in which the chosen survivor tries to escape zombie-like creatures and learns more about his past.

FRONTRUNNERS is a blend of tactical shooter and survival horror. Work alone or with your friends to move tactically through a range of levels to complete paid contracts. Money means more guns and equipment. Fight against a horrific range of enemy entities that will hunt you relentlessly.

Demon's Blood is a first-person shooter that throws you into a demonic universe. Become a special agent, arm yourself and improve your equipment in different games to repel the demonic forces trying to invade your world.

In this uncompromising first-person shooter, storm the Wolf’s Lair in 1944, the sealed-off power centre of the Nazi leadership. Fight your way through bunkers, defensive positions and Nazi troops using weapons, explosives and vehicles, and eliminate officers all the way up to Hitler himself.