Top similar games like Ocean of Mermaids:

Conflict Area is both a singleplayer and multiplayer game made by 2 developers.

Swords with spice is a creative lights based art style action packed game that gives you the tools to unleash mayhem on really cool glassing looking dudes.

Conviction is a dark fantasy, DOOM-like first person shooter where you play as a man with nothing left to lose as you face off an onslaught of cultists and demons in a world enshrouded by darkness. Prepare to show your conviction…

Forgive Me Father is a dark retro horror FPS set in a comic book style world inspired by the novels of H.P. Lovecraft. As the only one left with full senses, you begin a journey in search of answers and relief. How long can you last?

In this game you have to fight your way through hordes of zombies in search of a safe place.

Age of Rust is a story-driven, first-person action and puzzle adventure set in a dark sci-fi future. Unravel the secrets of the Rogue Mechs waging war on humanity as you shoot, explore, and solve mind-bending puzzles to discover clues to your past and how it ties into the present.

A horror survival game, where you explore an open-world town set in the Wild West, find and upgrade weapons and vehicles, and use them to beat an evil clown monster named Silly Billy.

LUCID is a fast-paced, retro-style first-person shooter that thrusts you into a surreal world. Battle against eerie mannequin rulers in a high-adrenaline, violence-packed journey. Explore shifting dimensions in a pixelated dreamscape that blurs the line between reality and imagination.

Unrecord is a single-player FPS that tells the story of a tactical police officer from the perspective of his body camera. As you work to solve a complex case, you'll need to use your tactical and detective skills to succeed.

Once again, you are on board Shakhter-One. Traverse the deck of a well-known mining ship and the depths of Mark's twisted mind blended together. Run, fight, hide, explore – discover, what really happened to this place and do your best to destroy Shakhter-One.

Explore a virtual dungeon where each room is an entire game world, each with its own characters, gameplay, and themes. Dive deeper and deeper, unlock more and more worlds, and be the first to reach the Core!

An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power. Unaware, you answer a distress call and become stranded, surrounded by monstrous foes. Unravel the mystery of this madness and stop its spread in this violent retro shooter!

Beneath is a first-person action-horror adventure where you play as deep-sea diver Noah Quinn. Explore a terrifying underwater world filled with monsters and mercenaries as you try to escape and unravel the mysteries of an enigmatic complex of underwater stations.

You are the gunner of the AC-130 Gunship. One of the most lethal war machines ever made. Use your skill with thermal optics and three of the biggest and most lethal guns ever produced to stop the enemy cold. This is a mindless shooter. A game to zone out with. Relax, and destroy.

Explore Westminster, London on a journey to the ruins of Hanwell. Fight with whatever you can find or use the environment to defend yourself against an ever increasing scourge of Anomalies.

A virus has escaped a secret lab ran by the Eibmoz Corporation. Everyone is infected... including yourself. You have minutes before you die from the fast acting virus and turn into a "Zombie". There may be a way to stay alive... but it wont be easy!

Navigate an open-world island in an old train, upgrade it over time, and use it to fight an evil spider train named Charles.

Limbo Revolution is a first-person shooter set in a 1980s Eastern European City ravaged by war. In this haunting world, you play as a stalker, battling and surviving against bandits, other stalkers and the military.

In this apocalyptic world a cosmic being has taken over Earth and spread its corruption all over. Join the bounty hunter Cassius on his mission to destroy the corruption from the mansion in this FPS game. Be warned, grotesque monsters are hell-bent on stopping Cassius from reaching his goal.

"Silence In The Cabin" is an Open Map Survival Horror Game, where you must survive Dark linear story sections in order to unlock more areas of the world.

Hunting for mutants in the apocalypse, sadly gourmet food options are not available these days... Embark on a journey in which you shoot mutants, explore the world and feed the vault survivors.

Action adventure game with a great and atmospheric storyline and open world

Chaos Uproar is an FPS Single player game. An Action and Adventure packed dark atmospheric game with only basic moves and shooting skills. Analyze your enemies and plan you own move to defeat them. Powered with AI and horror ambience, this game will drip the sweat out your forehead.

Embark on a journey into the darkest nightmares to restore your sanity. Blast your way through hordes of possessed enemies, unlock an arsenal of deadly weapons and unearthly abilities, and get ready to face even more Lovecraftian madness in this action-packed FPS sequel.

A Thug's Ascension is a low-poly action-adventure / FPS story set in the dying city of Maratha, circa 2023. Become Chief, a feared mercenary, and experience a dark, slow-paced crime drama marrying cinematic, dialogue-driven storytelling with intense shooting and driving gameplay.

Sabotage a cult and their schemes in this Mystery, Horror, FPS. Explore a mansion while massacring the creepy followers and their foul abominations. Find various weapons to slay your enemies with and uncover the cruel secrets of the organization.

As darkness descends upon the world. all contact is lost. Set in a small town in North America, will you survive the dark new world? Prepare for a challenging and unique enemy, powerful magical relics, and an unsettling atmosphere in this creepy Post-apocalyptic Indie survival horror game.

Buried Alive: The Annihilation is an immersive and intensive VR shooter. Survive and uncover the truth in the Annihilation!

Embark on a thrilling journey through the eyes of a security gate officer who must face super-biological horrors beyond both knowledge and comprehension in this first-person shooter styled after old PS2 game graphics.

Decadent is a story-driven FPS combining atmospheric exploration, horror and combat into an immersive experience. Become John Lorn, a Great War veteran turned decadent occultist on a quest to save your lost son and uncover an ancient secret; challenging not only your skills, but your very humanity.

Waking Nitemare: A newtro FPS with modern twists. Dash, heal with melee headshots, use bullet time. Face unique bosses, find upgrades. Classic shooter action meets innovative mechanics. For retro fans and newcomers alike.

A first person shooter where you take a role of one of the last human mercenaries, who has to take his revenge for annihilation of humanity. A deep dive into a dark and unforgiving realm, which will stay in your consciousness for ages.

Space Amazons! Cosmic Horror! Action!

Descension is an OpenWorld Survival Horror Game That features constant new expansions and events. Survive For Six hours in uncharted universes, and get your exploration rewarded with a stronger arsenal!