Top similar games like DayOff: Moonriver incident:

Spooky Shooter 3D - is a hardcore 3D shooter where you will survive in an old castle full of monsters.

What starts as the preparation for a special Halloween night event at a summer camp turns into a nightmare when someone with a bloodied axe ends the lives of all your friends. Will you manage to escape and save yourself?

  A tourist who gets lost in a forgotten village. As night falls, strange and terrifying creatures begin to appear, and reality starts to shift into something far darker. A third person survival horror game where you can experience the intense story with unique theme of horror.

In the laboratory where experiments were conducted on humans, a disaster occurred. Find a way out as soon as possible, bypassing hordes of zombies and military cordons.

This prologue details the lead up to the Sunshine Manor game and also includes the bonus first mission absolutely free!

Find your missing daughter in the Hospital of Madness. Collect items, fight enemies, and do whatever it takes to reach her!

PSYCHO - is an exciting 3D shooter with hardcore elements where you will explore an abandoned psychiatric hospital playing as a fighter SWAT.

In this 2D Survival-Horror, you switch between two protagonists as you advance through the story: Neo, a man lost in his own mind, trying to survive an endless nightmare, and Lavina, a loyal friend who will do anything to try to save him.

HELLSEED is a first-person horror adventure that combines puzzles, action, and a chilling narrative. In a dark world full of supernatural threats, you’ll need to solve complex puzzles and manage your sanity. This isn’t just a fight for survival—it's a journey into the depths of terror.

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.

WILD WEST - is a hardcore 3D shooter with survival elements where you will have to fight various enemies playing as a sheriff James.

A first person horror exploration game set in the frozen wastes of Antarctica. Use your tools to navigate the frozen galleries untouched by millennia and unearth evidence of a dreadful truth while you search for a madman whose ill fate lies somewhere beneath these Mountains of Madness

An immersive, first-person survival shooter where you step into the boots of Special Agent Aiden Clark. Dive deep into a hazardous underground laboratory, tasked with the perilous mission of neutralizing a biological menace and securing a pathogen sample.

REBEL - is a 3D shooter with surviving elements where you will have to fight with a prison rebel.

TURK: The Demon Slayer - is an absolutely new and unusual 3D shooter with surviving elements where you have to fight to different evil spirits playing as Turk, the church messenger.

The game of your dreams just dropped, DUCK SEASON, a hunter with ridiculous graphics. Luckily, it's summer vacation and Mom just surprised you with a one day rental of it! Unfortunately, as you binge play it becomes apparent that all is not right with Duck Season...

Red Lake - horror shooter with elements of quest.

This is an exciting adventure in an abandoned house in which you are left alone with ghosts and their heavy stories.

Calvar – The Darkest Gate is a first-person horror experience of uncertainty and decay. You awaken where nothing is true, and every step pulls you deeper into something that should not exist. Some doors should never be opened.

Without Pain - is a dynamic 2D shooter with surviving elements where you will have to fight against various types of monsters.

Single-player action-adventure. As an agent of the Manekin Order, land on a fog-shrouded island veiled by an electromagnetic storm; wield modern weapons to track the missing agent and uncover the island’s dark story.

Dead Night - is a simple and incredibly hardcore 3D shooter where you have to fight to various monsters alone.

Find yourself on a mission exploring the depth of an ominous forgotten mine. You arrive barehanded but quickly find the tools needed to go deeper. Destroy the infected living parts of the mine and face the final threat and complete your mission.

Shadow of Egypt - is an adventurous 3D shooter with surviving and hardcore elements where you will fight with ancient Egyptian evil.

Hardcore stealth survival-horror in retro style with realistic physics. The creature is faster, hears, and feels you perfectly. Escape is impossible. Craft, set traps, strategize. Hide, deceive, and fight to uncover the truth.

Step into a world where the pursuit of beauty leads to unimaginable horror. As Nate, face off against mutated monstrosities and navigate a labyrinth of danger with limited resources. Expose the truth behind COSMIC’s experiments, while not succumbing to the nightmare within.

Z.O.M.B.I.E. - is an unusual 3D shooter with surviving elements where you will have to survive in a zombie apocalypse, playing as a girl named Zoe.

Nebraska takes place as a journalist writing a book about mid-west America, who runs out of gas in a rural area of Nebraska. Players will explore and uncover the secret facility that lies beneath the attraction and discover the terrible experiments that have taken place there.

There Is No Tomorrow is a 3rd person retro-anime action-adventure survival game with a talking doll companion. Leon traveled into the future where humans are at a brink of extinction due to the 'RA'. Choose your approach, Stealth or Action with multiple story endings.

Last Visit is a combination of an adventure game and survival horror. Discover a captivating story full of secrets and fear. Dark atmosphere, constant sense of danger and various puzzles will make you never forget this experience.

Psychological single-player first-person horror. Explore dark environments, fight with melee and guns, and solve puzzles in this retro 2000s-inspired nightmare where the truth is more terrifying than the monsters.

Maid of Sker VR is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!

Trapped in the city subway system due to a sudden disaster, you explore the depths of the tunnels to find your way out. The further you explore, the more you realize there is more to this disaster...and the lurking shadows are following your every move.

MARY - is an adventure shooter with surviving elements where you will survive in zombie apocalypse playing as a girl named Jane.

In this indie horror game, a small vacation turns into a living nightmare as a brewing blizzard approaches the mountain. Explore the seemingly normal cabins, abandoned mines, caves and make your own choices that change the story as your past comes back to haunt you...

Grab your headphones and play one of the most atmospheric horror games on Steam!