Top similar games like Hazard Protocol:

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.

Make It Count is a 1-3 players Co-op, post-apocalyptic, top-down shooter with roguelite elements. Venture into your mission with randomized routes, find trinkets and bring carnage to the filth that is infesting this world!

A tactical 3D top-down zombie shooter with an innovative Field-of-View system. Tasked by researchers, you must uncover the cause of the zombie outbreak while managing scarce ammo, using tactics, melee, and grenades to survive endless waves.

A survival-horror game about a detective searching for his sister in a mysterious victorian mansion that shifts its shape. The mansion is their family home - and their family curse. Fight monsters, solve puzzles, explore the mysterious estate!

Voidseekers is a 1-4 player co-op horror FPS. Shoot, salvage, and survive as you explore corrupted ships in deep space. Get in, take what you can, and destroy the ship to contain the breach, but beware the horrors that seek in the void.

Join the fight for survival in a top-down shooter with realistic-looking combat. Raid the infected city and fight for survival in team battles.

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.

Welcome to Nightmare Manor - a terrifying horror game that will take you to an old manor steeped in dark history. In this game, you will feel the cold breath of the past, finding yourself in a place where sinister entities live.

A cooperative horror game where you must work to maintain a base to keep monsters from getting in.

The Silent Jungle is a classic survival horror game set deep within the haunting jungles of Vietnam. After a brutal ambush, a lost American soldier must survive in a cursed jungle filled with lethal traps and haunting illusions. To escape, he must uncover its dark secrets and break the curse.

Exterminate zombies in style with up to 4 players in this action packed co-op top-down shooter.

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

You and your friends can be part of the Z-Company. Defend Targets against huge hordes of zombies with all kinds of weapons and buildings in this Tower-Defense/Shooter hybrid.

Co-op horror for 1–6 players. Complete high-risk tasks in a vast shopping mall while evading relentless monsters. Hold the security room - or push out and make it back alive.

Dive into horror in Entities. Solo or up to 4-player matches offer dynamic puzzles, relentless entities, and extraction shooter mechanics. Investigate, unlock paths, and survive in dangerous zones as a private operator. Master skill and terror. Are you ready to confront the unknown?

SCP: Fractured Reality is a co-op VR horror shooter set in the SCP universe. Players must work together—as well as against each other—to survive the many horrors lurking in Site 97’s depths.

A stylish action roguelite in a twisted afterlife. Contracted by an underworld corporation, explore regions consumed by the liminal realm and guide lost souls to judgment. Combine Spells, Offerings, and Fates to forge your own combat build; face deeper challenges in 4-player co-op.

Sin Survivor is a wave-based, first-person co-operative or single-player shooter based in a post-apocalyptic world overrun with blood-hungry, satanic demons.

A 4-person co-op horror game where teamwork is the key as players face malevolent demons in a mysterious mansion. An immersive experience with unpredictable AI that continuously changes and adapts to the players’ behavior. Can you conquer your fears and escape?

The office is under zombie attack! Recruit coworkers and survive the outbreak.

The world has fallen by zombies. As a part of the association, you are dispatched to the places where zombies are concentrated and stabilize these areas. Fill your backpack with the full of items, and eliminate zombies with the bullet hell.

Fight alone or with friends in a brutal horror wave-survival experience. Survive against endless waves of terrifying infected in this high-difficulty horror shooter. Play solo or with friends, unlock devastating weapons, discover secrets, and see how long you can endure the nightmare.

A dark and moody top-down shooter. Unlock new weapons and upgrades by completing achievements, making each run different. Will you be able to escape the swarm?

The Remains is a 1-4 player co-op survival horror where an intelligent AI enemy hunts your team whilst adapting to your tactics. Stay quiet and out of sight, or get picked off one by one.

An online co-op horror zombie shooter for up to 4 players. Push a shopping cart through supermarkets in a zombie apocalypse, search for high-value items, cover your teammates, and extract safely — but be careful not to hurt each other.

This game is a roguelike where you continuously fend off zombies by upgrading your gun. Survive the waves of zombies storming the house with your allies! As the days pass, more zombies will appear, including powerful ones, but you will grow stronger too.

As a part of the Borderwatch team, scavenge, defend and survive against zombie hordes in this 3rd person action horror survival! Will you be able to see the daylight?

Armed militaries are requested to clean an area infested by zombies. On each round you don't now if you will be a zombie or a soldier, so use the skills and items that was given to you and keep alert.

Enter Pantheon, a futuristic city swallowed by darkness and ruled by a rogue AI. Team up with up to 4 players and survive an adaptive pursuer that learns from every mistake. Complete the mission, uncover Minerva’s secrets, and find a way out before the city consumes you.

Z-Sector is an intense wave-based zombie shooter. Hold your ground against relentless hordes, scavenge for tactical upgrades, and climb the global leaderboards. How many waves can you survive? Master your arsenal, rack up massive scores, and prove you are the ultimate survivor.

Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.

Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.

Old Roots: fight your fear and survive your fate. Inspired by the geography of Siberia and with inspiration from games like Doom or Hellblade, you will have to face your own fear and overcome your enemies... without losing control.

What begins as a myth-busting adventure quickly turns into a terrifying fight for survival when the mysterious faceless creature reveals himself to be real. Explore, survive and uncover the truth in this 1-2 player co-op horror experience.

Werewolf Hunter is a survival horror game about tracking a deadly predator in a hostile wilderness. Manage hunger and thirst, collect DNA to uncover its weakness, set traps, and barricade shelters. Hunt a regenerating beast that grows more dangerous with every night.