Top similar games like Outbreak Horizon:

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

A world where the living envy the dead. Cities are plunged into darkness, the world into silence. You are part of the extraction team, but this time you are trying to save not just people, but humanity itself. Gear up, trust your comrades, and dive into the darkness to save humanity!

Once a prosperous city Istanbul is fallen. Prepare your gear, defeat zombie hordes and reclaim your hometown. Uncover hidden story behind the disaster and learn what controls the zombies. Select your side between military and rebels and fight for the control of the city.

Heist Haven is a 1 to 4-player co-op online shooter set in the open-world criminal paradise of Haven. Assemble your crew, select your gear and customise your character: the next big score is waiting!

Control a team of 4 characters, switching between them to use their unique abilities. ZIC: Zombies In City is a first person zombie survival shooter.

A fast-paced sci-fi shooter where a failed experiment unleashes mutated horrors inside a secret research facility. Armed with experimental weapons, you must fight through swarms of twisted enemies, and survive the collapse of a world-breaking project.

Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

There was an infection in a large part of Rio De Janeiro and, in order not to spread, the government built retaining walls, whoever is inside will not be able to leave and will have to survive until the cure is discovered.

Dead Containment is an on-rails shooter inspired by classic arcade games. Players fend off the undead as they race through a city under siege, blasting away the horrors that roam the streets using a variety of weapons. Playable solo or online co-op.

Corpse City throws you into a relentless fight for survival against endless waves of the undead. Feel the tension rise with every shot, the adrenaline rush as you’re cornered, and the thrill of making it out alive. How long can you survive the nightmare?

A co-op horror FPS about daring heists in a city full of zombies. Because, you know, they don't need money anymore, but you do! Multiple ways to approach each heist and randomly generated elements await you. Gather your team and get ready to rob the dead!

Hello Survivors, this is little zombie shooter game. With big plans :)

Bodycam: Deadsplit is a gritty online co-op multiplayer shooter for 1–4 players, where you face relentless zombie waves, hold your ground, and beat the clock.

Endless waves. Endless zombies. Team up in this co-op survival shooter: grab new guns, upgrade the ones you already have, and unlock even deadlier firepower. The horde grows every round, make sure your last stand counts.

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

UnrealCam is an ultra-realistic multiplayer first-person shooter developed with Unreal Engine 5. Get ready for fast-paced UnrealCam action, where every choice can mean the difference between life and death for you and victory or failure for your team.

Take on a city overrun by zombies with 1 to 4 players online — co-op or PvP! Hold the line against running, leaping, spitting hordes. Fight by day, hunt in the dark of night. Tear off limbs and unlock cosmetics with every kill. Stand together... or hunt each other down.

FPS: Multiplayer is an online shooter game with 7 different game modes. Are you ready for the challenge? You can also play offline, stress-free, against AI players (bots) with 3 different difficulty levels..

Days of purgatory is a roguelike co-operative FPS that will challenge the most veteran of players with overwhelming hordes of demons. Journey through the infested zones to find supplies that will aid in surviving another night.

A co-op zombie horde shooter set in a West Yorkshire town gone very, very wrong. Fight off waves of the undead, collect coins, buy bigger weapons, and uncover the dark secret rotting at the heart of Brumley. Up to 8 players. No survivors expected.

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.

You are a Bigfoot hunter with an important mission: to put an end to rumours once and for all and prove to yourself that Bigfoot is not just a myth or an invention of the mind...

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

A.V.A is a classic FPS shooter game featuring various types game Modes. Depending on the battlefield, you can choose Pointman, Rifleman, and Sniper and enjoy strategic team play.

Medieval co-op PvE extraction shooter. Enter sealed quarantine zones. Fight infected enemies, recover powerful relics, evacuate civilians, destroy the plague source, and use fortified positions to heal, resupply, and hold back the monsters. Once the contract is complete, extract alive.

Not Deat Yet is a 1-4 player co-op, fast-paced, rogue-lite FPS, with elements of deck-building and strategy that will test your skills in creating your own build while having to manage your resources and survive restless waves of zombies.

A strange fog rise up. You grabbed your shotgun when you heard a voice outside. Wtf Zombies. Try to stay alive for 5 minutes and kill them all to win and unlock next difficulty level.

Operation Endpoint is a wave based survival game. Survive ever increasing rounds against infected, earn cash to buy barricades, weapons, and more.

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