Top similar games like Hazard Protocol:

It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Play alone or team up with others and try to survive while a demon and its minions try to kill you. Your goal is simple. Escape. This might sound easy, but dealing with evil entities is a dangerous business!

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.

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

Top-down zombie shooter game where you survive against hordes of zombies. Every wave the number of enemies encreases. Hey, tell me you have enough bullets, don't you?

You will zoom past hordes of zombies, kill the ones you need to, and find keys to unlock passageways in this retro top-down shooter.

SCP: 5K is a cooperative tactical horror shooter project that puts players in the midst of a story inspired by SCP-5000 by Tanhony. As we work to develop the game and story further, we have released it into Early Access so players can experience the game as it evolves.

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?

Zombie Raid is a PvP top-down shooter, with realistic looking tactical battles. Raid infected city, fight for survival in team battles.

Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.

DarkSwarm is a online + local CO-OP, top-down tactical shooter. Play as a TEAM of elite operators in procedural generated semi-destructible levels. Use your skills, wits and teamwork to destroy the alien DarkSwarm in daring operations deep inside the infested colonies.

Gathering Storm Studio proudly present Dead Zone. Inspired by Retro Top-Down Arcade Shooters : Dead Zone offers a unique gaming experience within the modern zombie apocalypse genre. Where you have to loot, trade, craft and shoot your way to survival.

Astro Ike is an exhilarating single-player, third-person zombie wave shooter that will immerse you in an intense battle for survival. Step into the shoes of Astro Ike, a fearless protagonist, as you face relentless waves of zombies. The challenge awaits—how long can you endure?

In the sequel to the 2011 award-winning Source mod, you and your fellow survivors must make your way through a diseased world that has seen the dead rise to feast on the living. Cooperation and teamwork are vital if the human race is to survive this living hell.

Can you and your friends survive against the ruthless undead?

Haunt Monster is a 1-4 player co-op survival horror multiplayer fps zombies game. Play solo or co-op with friends to survival from the zombie infected area. Buy weapons, increase rank and make money for your character.

A Zombie imposter with virus vials slips into a survivor camp protected by a group of defenders and tries to kill the population. 1-6 players exciting social deduction with friends mixed with horror and strategy.

Forget all those other cooperative horror games. You never know who's going to win in this 4v1 game where teams and roles can change. The hunter can be the prey, and the prey can be the hunter. Complete the ritual and become a vampire or die as prey to cursed creatures.

Beautiful Light is a PvPvP tactical first-person extraction shooter where 6 squads of 3 operators are tasked with entering, securing, and extracting an artifact in a hostile, horrific environment. Face other operators and player-controlled anomalies, but beware: mistakes can risk your life and gear.

HUNTERS: Uprising is a hardcore, tactical PvPvE first-person shooter. Track and kill dangerous alpha monsters in the infested zones around the world, kill nightmarish monsters and outwit other players - alone or in a group. Then rest in the safe zone, upgrade your base, hunt, fish and survive.

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.

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.

4-player co-op, zombie slaying, base building, boss battling mayhem! Cleanse the infected wave by wave and upgrade your base with traps & defenses in Ultimate Zombie Defense 2!

This is a pixel style puzzle, survival, adventure, survival, horror shooting game, the game perspective using a top view angle, you will control Ling Feng (the protagonist) in the monster attack to survive, and to find the truth.

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.

Mr. Willickers can never, ever die. He'll chase you until the very ends of the earth.

A classic-style hardcore dynamic shooter which takes place in a science underground center.

Embark on a thrilling journey in "With Last Breath," a gripping top-down survival-craft shooter set in a mysterious open world, where players must uncover the secrets of a shadowy corporation to save their captive sister.