Top similar games like Operation Dimera:

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

Become the unstoppable, destructive force at the center of Hell's eternal war. Fight in massive battles against thousands of demons that stretch to the horizon. Master brutal, high-speed combat and seamlessly command your own legions to carve a bloody path to the throne of Hell.

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.

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.

Venture into eerie, procedurally generated worlds to harvest Nightfall Dust with your Duskvac in this tense co-op survival horror. Craft gear, evade monstrous Wardens, and work together to escape the dark and uncover the secrets lurking in the Nightfall.

Danger Horizon is a multiplayer, first-person shooter game made using Unreal Engine 5. The game features realistic gunplay, and advanced blood and gore features that everyone can enjoy.

Necro Siege is a First-Person Action Horror Shooter in a world where humanity is on the brink of extinction as otherworldly abominations rise from the shadows. Journey through forsaken realms confronting zombies, demons, and other nightmares in a desperate fight against the end of all things.

Face off against hell forces in shooter "Grimwalker". Engage in thrilling combat with a variety of weapons and use your demon form to become even more powerful. Explore a world filled with secrets while managing your resources to survive.

Your mission: eliminate Manyfang using only an RPG. Blast through enemies, hunt down the mutated beast, and survive the chaos. One target. One weapon.

Assume the role of Dante, a soul in search of redemption and experience every battle and terrifying events up-close. Explore a mysterious ever-changing hotel in a reinterpretation of Dante Alighieri's epic poem (The Divine Comedy), and enjoy a genuinely terrifying experience.

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!

Unleash heavy weaponry to exterminate the demonic horde alone or up to 4 players online and/or in splitscreen

Inspired by classic survival horror. Bachman Manor sprawls into a maze of corridors, bedrooms, foyers, and more. Filled with puzzles, traps, and hidden passageways that explore the secrets of its dark history and occupants.

Make a Killing is a first-person single-player survival horror game. You play as Cole, a man that travels to unhallowed grounds in hopes of saving his brother Jace, only to be ensnared in a game of cat and mouse with a century old mass murderer.

To escape this terrifying hospital, you must leave your fears behind. Can you do it? Explore, face zombies, use weapons, avoid traps, and react fast to survive.

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.

A first-person action horror game set in a nightmarish manor infested with zombies, psychotic cultists, and a horde of other horrors. Utilize an assortment of different weapons in a brutal fight for survival as you try to escape from the Nightmare of Decay.

In this retro PS1/PSX style game. Play as a investigator stranded in a zombie and monster filled mansion and forest. You will encounter horrifying creatures ready to devour you alive. All while trying to make your escape and discover the terrifying truths before it's to late. Will you survive?

Project Night is a first-person survival horror game focused on exploration, tense combat, and atmosphere. Search abandoned locations, manage scarce resources, solve environmental puzzles, and survive the horrors lurking in the dark.

Hitler’s hordes are back for more in this spine-chilling shooter from the makers of Sniper Elite 4! Abominable occult enemies, epic weapons and a harrowing new campaign for 1-4 players await in 1940s Europe, as you fight to save humankind from undead Armageddon!

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

Escape the lab and survive through dangerous monsters and military personnel

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.

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.

A cooperative first-person PVE shooter for up to 6 players. Combine distinct classes, equip various weapons and freely modify attachments to fight endless waves of monsters in different worlds.Remember: Keep Fire. Never give enemies an opening.

A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.

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.

A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.

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.

Sewer is a survival horror experience that drags you beneath Arras in 1915 as a British spy trapped in a cursed underground. Navigate shifting tunnels, manage scarce ammo, and face what should have stayed dead as you fight to escape the darkness.

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.

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!

The dead don’t rest, and neither can you. In Necrotide, every wave grows stronger, quick reflexes and smart upgrades are your only hope. Survive the hordes, stock up between rounds, and confront the ultimate boss.

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.

Chased by Darkness is a 1-4 players co-op survival horror. Your mission is to face supernatural entities and banish them to the spiritual plane. Explore, fight enemies and don't let the darkness reach you.