Top similar games like Extinction Force:

Herd 'em up, Mow 'em Down! Mindless Carnage, fast-paced action. Apocalypse: Floodgates is a Third-Person Zombie Horde Shooter featuring post-apocalyptic weapons and deadly traps. Play online with up to four friends or play alone and see how many zombie waves you can take down.

Join a thrilling party in Propnight, a multiplayer hide-and-seek game.

Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.

The world has fallen, and the undead are all that remain. Undead Horizon is a co-op, round-based zombie survival game where you fight off relentless waves, rack up points, buy weapons and perks, and upgrade your arsenal to stay alive. How long will you and your friends hold out?

You and your teammates must survive as long as possible against relentless robots and deadly creatures. Your aim matters, but so does your strategy. Every enemy type fights differently, so stay ready. Fortify your base with turrets, healing stations, traps and a variety of upgrades.

Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.

Horde Arena is a third-person shooter roguelite where you survive endless enemy waves. Pick a character, upgrade your stats and weapons, and evolve to dominate the battlefield. Play solo or team up with up to four players in co-op mode.

In this co-op horror game, you are an employee of UMBRA tasked to maintain a mysterious train- feed the engine, repair parts of the train and whatever you do, avoid the passengers.

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.

You and your team are elite killers. Its your job to help defend and protect earth and inform us of your findings. The South East Spaceport have reported nightmareish zombies. The most unsettling thing is that people have changed and will not stop eating each other.

In Village of Zombies you can fight against zombies and mutants together with other players or alone on different maps, the goal is to survive as many levels as possible. The game always starts at level 1 and with each level increase, more zombies and stronger zombies come.

Space Entity is a 1-4 player online co-op survival horror game. A entity is within the space ship. Get the power back on and use the escape pods to live on.

Midnight Maintenance Crew is a cooperative horror game where you and your team repair critical systems inside dangerous facilities while avoiding environmental hazards and hostile creatures.

Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.

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.

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.

Classic round based zombie survival game inspired by old school gameplay with a fresh feel. Complete Trials, unlock weapons and perks, then hold your ground against the undead.

In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state.

Fight off waves of zombies in this a single-player or multiplayer cross platform first- and third-person shooter game. Battle of Rebels Winner of the Unreal Florida Game Competition

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.

"Clunkers" is an online cooperative horror game that supports up to 6 players. As the eliminated old robots, you have to dig out valuable scraps from the streets buried under the terrifying snowstorm in New York in 1985, and sell them before the recycling robots find and violently dismantle you.

Take on the challenge solo or team up with 2-4 friends in online co-op, repel the threats from the demonic realm with firepower, defend and explore areas, face stronger threats until reaching the destination. As darkness looms closer, you stand as the last line of defense.

Mauled Horde is a free-to-play 1–3 player co-op horde shooter. Survive relentless waves solo or with friends. Spend resources at Citadels to buy and upgrade weapons, unlock active and passive skills, activate traps, and shape your build as each round grows more intense.

A 1–6 player immersive psychological horror experience. Venture through multiple handcrafted liminal Backrooms levels, solve puzzles, explore and survive.

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

Embark on a covert mission to the dinosaur theme park Prehistoria, where you must explore the park's grounds to scavenge resources, solve puzzles, and fight your way through diverse biomes, underground tunnels and deadly enclosures. But beware, you are not the apex predator here.

After exploring the new planet, the space crew became infected with an unknown virus. After a long epidemic, the space station plunged into chaos. Various mutations took place with the crew of the ship, which clouded their minds. Make your way to the rescue shuttle through the mysterious danger.