Games like Monstrum

"PARANOIA PLACE" is a 2-player online co-op survival horror game where players must solve puzzles, find items, and evade a bloodthirsty killer in a nightmarish world. Every playthrough is unique, with items and keys spawning in different locations, and the killer's behavior being unpredictable. Utilize a special camera item to protect yourself and work together with a friend to escape the chaos.

"Visage is a nerve-wracking first-person horror simulation, centering around exploration of a vast, ever-changing house with a dark past. Its intricate story unfolds through surreal visuals and atmospheric details, coupled with exceptional graphics, soundtrack, and an ingenious sense of place. Be prepared for a challenging, highly emotional experience that may contain bugs and requires patience."

Labyrinthine is a horror action game that offers both single-player and multiplayer co-op modes, with a good plot, great gameplay, and unique atmosphere. The game features fabulous visuals and soundtrack, but also has plenty of bugs and grinding. In story mode, players follow the trail of a mysterious fairground worker, while procedurally generated case files provide a challenging experience. With high emotional stakes and fantastic replayability, Labyrinthine will keep you on the edge of your seat.

Darkwood is a top-down survival horror game with a focus on exploration and crafting during the day, and defending yourself against nighttime creatures. The world is procedurally generated and features a range of strange creatures and characters. Your choices and interactions impact the world and story of Darkwood.

"Slender: The Arrival" is a haunting game based on the Slender Man phenomenon, featuring a stalking Slender Creeper and a dark, foreboding atmosphere. It offers added leaderboards, mobile achievements, and controller support for iOS devices. Critics have praised its robust narrative and high terror factor, with GameSpot calling it 'one of the most terrifying games in recent memory.'

"Home Sweet Home" is a first-person horror game that follows a man searching for his missing wife in a labyrinthine temple. Drawing inspiration from Thai folklore and beliefs, the game features a range of supernatural creatures that the player must avoid or outsmart. With a focus on stealth and exploration, "Home Sweet Home" aims to provide a tense and immersive experience.

"Alien: Isolation" is a survival horror game set in an atmosphere of fear, 15 years after the events of the original "Alien" film. Players step into the shoes of Amanda Ripley, Ellen Ripley's daughter, on a mission to uncover the truth behind her mother's disappearance. With limited resources and a relentless Alien tracking you, it's a battle for survival in a world filled with panic and danger. The game uses the CATHODE engine to create a tense and immersive experience.

"The Classrooms" is a single-player, narrative-driven psychological horror game set in the eerie and abandoned Hillcrest High School. Uncover the chilling events that led to the sudden disappearance of the students and faculty as you navigate through the ominous classrooms and hallways. Solve puzzles and uncover disturbing secrets while avoiding grotesque creatures that lurk around every corner. Can you escape the horrors of Hillcrest?

A VR survival horror roguelike. Trapped in a dying spaceship filled with horrors, you must explore, survive, and find your way back to the safety of Earth. Cosmodread features a rich, tense and immersive atmosphere that will make you forget about the world outside the headset.

"Damned" is a horror action game that supports up to 5 players, including 4 survivors and 1 monster, in online co-op gameplay. Survivors must escape haunted places by finding keys and items, while avoiding the monster. The monster, with unique hunting styles, aims to kill survivors. However, the game is poorly optimized, very buggy, and has a lot of grinding, but it also offers a dense atmosphere and some humor.