Games like Insane Decay of Mind

"Hektor" is a single-player Horror Action game with a good plot and impressive graphics, but held back by numerous bugs. As a former research subject, you must escape a shifting, monster-filled facility in Greenland, using pills to manage your psychosis and procedurally generated corridors adding to the fear. The eerie atmosphere and dark past of HEKTOR create a haunting, immersive experience.

"Neverending Nightmares" is a psychological horror game inspired by the developer's personal battle with mental illness. Players navigate through nightmare worlds, each with its own horrifying apparitions and inner demons, as they try to escape and wake up. The game features black and white artwork, branching narrative with 3 endings, and a haunting soundtrack. The dynamic lighting system adds to the eeriness of the ever-present darkness.

Amenti is a single-player horror adventure that plunges you into the eerie, underground tomb of Rudamon to uncover the truth about ancient Egypt’s link to aliens. With a dense atmosphere, masterful visuals, and an intriguing plot, you explore dark corridors as a historian and photographer, though gameplay can be hindered by bugs.

"Left Alone" is a story-driven first-person shooter set in a post-apocalyptic world. Players take on the role of private investigator John McLane, navigating a desolate city and unraveling a mystery surrounding a powerful corporation. The game features volumetric lighting and weather effects, creating a unique and immersive atmosphere. Combat is strategic, with limited ammo and a focus on stealth and cover. Exploration and puzzle-solving also play a significant role in the gameplay.

"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."

Paranormal Activity: The Lost Soul is a first-person horror game that delivers a terrifying experience through the use of VR technology. Players explore a haunted house, using a variety of tools and weapons to survive as they uncover the horrifying secrets within. With a focus on realistic interactions and atmospheric immersion, the game aims to deliver a truly chilling paranormal experience.

"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.'

Kraven Manor is a first-person puzzle-based horror adventure game. Players explore a creepy manor, piecing together the story of its mysterious past. The game features a unique mechanic where the manor physically rearranges itself based on the player's actions, creating a dynamic and immersive experience. The atmosphere is ominous and tense, with intricate puzzles that will challenge and engage players.

"The Cursed Forest Remake" is a horror-adventure game that takes you back into a haunted forest with enhanced graphics and a new storyline, using the updated CRYENGINE. The game now includes localization in Hungarian, Italian, French, Polish, and Turkish, all provided by dedicated fans. Embark on a chilling journey through the woods, overcoming obstacles and uncovering the mysteries within.

"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.