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.

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.

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.

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

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?

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.

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.

Escape the lab and survive through dangerous monsters and military personnel

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.

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.

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.

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!

A new FPS survival horror experience

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.

Painkiller Black Edition includes the expansion pack Battle Out of Hell, featuring 10 additional single-player levels and many new villains.

Engage in relentless combat across diverse scenarios using an arsenal of weapons to repel wave after wave of zombie assaults, or survive prolonged sieges under time constraints. Strategically manage resources and unleash precise firepower to outlast the undead hordes. Remember: Keep Fire!

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.

Cursed Dawn is a wave survival FPS featuring complex maps packed with secrets, dynamic spawns, and hordes of zombies to turn into gory mulch. Plan your defense, stay on the move, and master the maps. Remember: Nowhere is safe, death is assured, how long until you're zombie chow?

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.

Zombiemachia offers a mature and intense experience for fans of carnage. Face endless waves of zombies with weapons, traps, and dismemberment, all in a realistic environment.

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.

The biggest first-person action series of all time and the follow-up to critically acclaimed Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops.

The classic Painkiller series is back! Battle through Purgatory in fast-paced co-op action, wielding infernal weapons against relentless demonic hordes. Condemned for your sins, the Voice of the Creator offers you a chance at redemption. Will you seize it or be lost to darkness?

Deborg Desolation is a first-person indie game intended for the survival of mankind. Train to be a soldier capable of containing any injurious entity to achieve the survival of your own race, seek to plan strategies that allow your advancement without stopping.

The story of Henry Bishop is a first-person psychological thriller, where the player will have to fight, guess riddles, immerse into a mystical plot and an incredible story.

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.

Psychoscopy is a 5 player co-op horror game that you try to gather evidences about paranormal activities in large areas. Make a team with your 4 friends, take your equipments and hunt down paranormal activities.

One Last Toast is a single player retro-inspired action horror game set in a Venetian villa. Explore the intricate interiors, solve puzzles and battle relentless zombie hordes to reach the heart of the curse trapping you in this haunted estate.

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.

Dead Beacon is a first-person survival horror inspired by late 1990s games and taking place in the Beacon manor, a location crawling with zombies and creatures governed by a malevolent will. Survive using the given array of weapons and escape the island.