Top similar games like Operation: Outbreak:

Stay Home is a breathtaking first-person shooter with co-op for up to four players. Get ready for fast-paced gameplay and terrifying action as hordes of zombies flock to you. You can run but you can't hide!

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

In Last Call, a roguelike horror experience, survive randomized floors, choose perks in elevators, and master 12 levels to escape via helicopter. Unreal Engine 5's Bodycam delivers immersive realism against varied enemies. Every decision counts in this relentless fight for survival.

Into the Dead: Crimson Heights is a VR survival horror game set in a confined apartment building at the beginning of a devastating zombie outbreak. Sneak, explore and fight back against the undead in a desperate attempt to survive.

A single player FPS horror game with an emphasis on strategy and survival. Fight through waves of zombies and unearth powerful abilities.

This is the free prologue version of Entropic Decay, a fast paced, but slow burn horror/action FPS inspired by games from the late 90's through early 2000's. Enter volatile scenarios filled with danger, from both the living and the dead, where wits are as crucial as brawn...

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!

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.

Mega Zombie Explosion is Zombie killing game where you need to survive the Zombie Waves there is lot of Zombies to kill and you need talent to do it. But there is a help many different weapons to kill the zombies and Cool Background Rock Music.

In this round based shooter you must survive waves of zombies as you navigate the environment locating the power, perks, and discoveries someone is trying to cover up. In the multiple maps the game brings you can travel through time and unravel how deep the experiments of zombies goes.

A first-person survival shooter with apocalyptic simulation elements, focused on precision and headshot mechanics. Every shadow hides a deadly threat. Survive the night, manage your ammo, and fight off ever-increasing waves. Do you have what it takes to resist?

Descend into infested crypts beneath a cursed cemetery in this visceral action-horror FPS. Fight through rotting horrors with heavy gunplay, brutal dismemberment, and only a dying flashlight between you and the darkness.

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!

A minimalist target shooting game focused on improving aiming skills in a challenging way.

Put on your armor, choose a rifle or a shotgun - now you are part of a special forces group. Shoot your way out of a skyscraper full of zombies.

Rotfront is a singleplayer FPS set out in the state of Washington in the year 2034. Infiltrate as a lone Operator, purge infected areas, kill as many Rots as possible and unlock weapons as you level up and grow stronger.

An FPS survival horror set in Japan. After surviving the Operation to Eliminate the Infected, the protagonist is ordered to secure the virus developer and heads to Tokyo. Explore and fight using survivors’ requests and information. Manage limited ammo and healing items to survive.

Enter this first-person shooter with dark and realistic scenarios, use your shooting skills to kill all the enemies and survive. Explore the scenario and collect all the resources you can because you will need them to get out alive.

Z Ops: Deadzone is an intense FPS where you play as a member of Z Ops, a global organization fighting for humanity's survival after a zombie apocalypse. Battle hordes of zombies infected by the Bane-Z parasite and take part in dangerous raids.

In Bloom is a survival-horror game where you awaken alone in a world overtaken by nature. Guided by a mysterious voice on a radio, you must solve puzzles, survive the dangers around you, and reach Safe Haven before the wilderness consumes you.

In this terrifying first-person action game shoot everything that gets in the way of your mission, control an elite soldier sent on a suicide mission: infiltrate a prison laboratory, search for ammo, items and solve some puzzles.

Survive the fall of civilization in OUTBREAK FALL: BIOHAZARD — a fast-paced FPS where you fight infected hordes, explore ruined cities, and upgrade your gear to endure relentless outbreaks and escape the chaos.

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.

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!

A VR survival horror game inspired by 90s classics. Explore a city consumed by a parasitic outbreak, fight infected creatures with heavy weapons, and survive tense encounters where every sound matters.

Taking the place of a Green Beret, you will single-handedly witness the world fall, following the events of a failed search and rescue mission. Barely making it out with your life, you will witness pure chaos unfold, as you soon find yourself within an undead hellscape.

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.

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.

The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.

The Death Tree is an ambiental, first-person, horror hunting short game with 'Smooth Movement'. Set in a nightmarish dark forest that involves action and "jump scares" through a tension and intrigue atmosphere. Hunt creepy monsters,ruthlessly creatures and witches.

The world has turned to ash, and civilization has collapsed. The chosen savior isn't a soldier, but a Gamer who spent their life behind a screen. Transform an old train into a mobile death machine, deploy turrets, manage your economy, and never stop moving. On these endless rails, to stop is to die

Death Upon Us, is a game in which you will use your arsenal of guns to pull off cunning, exciting, and adrenaline pumping maneuvers to conquer levels in this game. Watch as your skills take you from killing a small horde of zombies in the School Yard to killing an abundance of zombies in the Temple.

A first-person survival horror game set inside a collapsing containment facility. Explore restricted sectors, read unreliable reports, and survive hostile entities where following procedures can be just as deadly as breaking them.

A first-person horror experience set in a desolate highlands village. Track your missing archaeologist sister, unravel her clues through exploration and puzzles, scavange for loot and face the dark force she accidentally unleashed.

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

Trapped inside the Paradise Hotel, you are desperate to find your sister. Explore dark surroundings, gather resources, and survive terrifying encounters. This intense single-player VR survival horror game with great storytelling will get your adrenaline pumping.