Top similar games like REDDOOR:

A fast-paced First Person Shooter inspired by the classics of the genre. Shoot and kick your way out of the war-torn planet to survive the attack of the space undead. Zombie blood has never splashed so good!

After Dark is a first-person endless wave zombie shooter set across multiple locations. Survive as long as you can against relentless hordes of the dead in a fight that only ends when you do.

"STAMP" is a very exciting shooter where your main job is to KILL zombies and complete the main task. Meanwhile you have a lot of stuff to try like perks, new weapons or side quests.

Zombiemachia offers a mature and intense experience for fans of carnage. Face endless waves of zombies with weapons, traps, and dismemberment, all in a realistic environment.

In this game you have to fight your way through hordes of zombies in search of a safe place.

In a cold, rainy Eastern Bloc town, you find yourself trapped in a room as abominations claw at your door, with nowhere to run. You must survive the feverish night, uncover the horrors lurking in the shadows and above all, find your wife Valeria.

Survive the living dead for as long as you are able! Room Invaderz is a wave-based survival game where you and your comrades kill zombies, earn points, and do your best to upgrade your arsenal to see how long you can delay the inevitable.

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.

Favela Zombie Shooter is a wave-based action shooter, where you have to defeat different types of zombies in a Brazilian Favela. Survive zombie waves, earn money and get better weapons to survive longer!

MUTATION PHASE is a horror-shooter with a first-person view, which narrates the consequences of experiments with sound waves. You have to survive among hordes of mutants and get out of the danger zone.

Limsod is an FPS set in a post-apocalyptic universe in which you must fight for survival in a world infested with flesh-eating zombies. Upgrade your equipment and play in a variety of maps and game modes.

The space station suffered an unknown infection from space, the previously unknown X virus mutates, almost the entire crew of the station is infected, you need to stop the army of mutants until they break through to Earth and the judgment day begins!

Grab your sawed-off, cast some sigils, and face the never ending nightmare head on in Venison County. Blast your old neighbors into undead venison giblets, master weapon specific active reloads, and limitlessly combine slain cultists' sigils for their sinful buffs (if you can withstand God's wrath).

The Soviets have released a hell upon Europe. You wake up in a zombie infested lab, the only way out is into the chaos of the undead. Loot, upgrade, and enhance your zombie slaughtering arsenal to make it out alive....

In a galaxy far away a world is facing doomsday. As nations rise against each other the world is plunged into chaos. Many illegal groups such as gangs and independent militias and demonic cults take the advantage of the situation to expand. Your task is to assassinate a demon dubbed Lord of Terror.

The space station has undergone an unknown contamination from space, the previously unknown X virus mutates, almost the entire station crew is infected, you need to stop the army of mutants before they break through to Earth and doomsday began!

Barricade is a wave-based zombie FPS with a 90s aesthetic. Use physics props to build barricades and defend against zombies. Balance building, shooting, and repairs while spending money on weapons, upgrades, and defenses.

Dead On Duty: Red Dawn offers you a unique sandbox to expand upon with over 25 firearms, 4 melee weapons, 13 perks and 11 map! Play as a mercenary to survive against endless hordes of undead in the chaotic world of Dead On Duty: Red Dawn! 

Killing Floor: Incursion is a fully-realized, multi-hour, story-driven adventure with an additional endless mode. In solo or co-op mode, travel diverse environments, from creepy farmhouses to the catacombs of Paris, in order to uncover who... or what is behind the Zed menace.

Embark on a distorted journey as Voidwalker, battling chaotic entities and unraveling secrets to save your universe. With retro graphics and the Quake engine, brace yourself for intense first-person shooter combat.

A chilling survival-horror FPS set in a creepy, atmospheric world. Explore a haunted cemetery, descend into a cursed crypt, and face the horrors that lurk below. Hide, fight, survive—do you have what it takes to make it out alive?

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.

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.

Aliens Versus Predator Classic 2000 features the Colonial Marine, Alien and Predator Campaigns and the frenetic single-player Skirmish mode from the original title: Alien Versus Predator Gold Edition, which was released to massive acclaim in 2000.

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.

One Last Toast is a single player retro-inspired action horror game set in a Venetian villa. Explore the intricate interiors, solve puzzles and battle relentless zombie hordes to reach the heart of the curse trapping you in this haunted estate.

London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

You wake up as an army soldier in the middle of a mutant apocalypse, trying to figure out what the hell happened and blasting some heads on the way. Deadshot is a retro styled first person shooter inspired from classics like Half Life, Doom, Quake and many alike.

Hit of Chernobyl is a Survival FPS. The action takes place in the Zone, which was heavily polluted after a mysterious disaster. Marauders, journalists and just adventurers began to illegally enter the Zone. Many of them disappeared without a trace, and some lucky ones returned with unique artifacts.

Fight against ruthless hordes of zombies, break through infected ruins, collect codes and keys, read notes left in a hurry, and search for clues. Each step may be the last, but it is the only one that brings us closer to the truth about what happened in Zone 404.

Zombies Must Die is a gloomy retro FPS featuring dozen handcrafted levels, a lot of zombies, and deadly weapons (crossbow included!). Do you aim good enough to headshot them all?

Scathe is an intense, blood-soaked FPS where quick reflexes are the key to surviving bullet Hell. Rip through the labyrinth that stands between you and your ascension. Blast your way through the underworld’s deadliest demons solo or with up to three comrades in drop-in/drop-out online co-op.

Explore your way through a crooked Mansion in the aftermath of an apocalypse. Biological mutants ravaged the Earth! You are responsible for finding crucial information! Fight horrific creatures that lurk around every corner! Find and upgrade your weapons!

Deadzone Haunt is a wave-based First-Person Zombie Shooter. Customize your loadout, upgrade weapons, and use perks & power-ups to dominate the demons. Experience smooth movement, satisfying gunplay, and a new approach to weapon camo customization.

Stay close together and use teamwork to fight through hordes of infected and other mutated freaks while navigating between saferooms.

L.S.S the fast paced wave shooter returns with all new game mechanics and enemy types to make the game even faster!