Games like Novena Diabolos

"SIMULACRA" is a single-player Horror Role Playing game with an intriguing story and unique atmosphere. Players find a woman's lost phone and uncover clues via apps, messages, and emails to locate her. With a focus on realism, the game boasts pretty visuals, a spectacular soundtrack, and high replayability, but can be very grinding and buggy.

"Gamedec" is a single-player, non-combat cyberpunk RPG where you play as a game detective solving crimes that occur in virtual worlds. With a focus on player choice and consequences, you'll investigate, gather evidence, and make decisions that will affect the outcome of your cases. Explore various virtual worlds, interact with NPCs, and uncover the truth in a complex and dynamic narrative.

Immerse yourself in a thrilling psychological horror visual novel taking place in the secluded Japanese village of Yasumizu. A heavy fog surrounds the village, preventing everyone from ever leaving. Ancient Gods have come back to hunt the villagers down one by one. The Feast has begun, can you escape the village alive?

In PARANORMASIGHT: The Seven Mysteries of Honjo, players investigate a series of ghost stories in Sumida Ward, Tokyo, uncovering the hopes, fears, and deadly curses of unique characters. As ordinary office worker Shogo Okiie, you and a friend visit Kinshibori Park at night to investigate the Seven Mysteries of Honjo, leading to a mysterious "Rite of Resurrection" with supernatural consequences. This horror-adventure visual novel game is now Steam Deck Verified.

In "Murdered: Soul Suspect," players become Ronan O'Connor, a detective murdered in a grisly ritual killing. Now a ghost, Ronan must use his newfound supernatural abilities to communicate with the living, solve puzzles, and uncover the truth about his own murder. With a unique setting and detective gameplay, Murdered: Soul Suspect offers a thrilling, otherworldly investigation full of suspense and mystery.

Quantum Suicide is a narrative-driven first-person puzzle game. As a quantum computer scientist, you explore parallel realities while solving increasingly complex puzzles to uncover the truth about your own demise. Along the way, you'll encounter strange characters, surreal worlds, and dark humor that will challenge your perceptions of reality and death.

"Elsinore is a single-player simulation game that lets you explore an intriguing story in the world of Shakespeare's Hamlet, with a dynamic story engine that reacts to your decisions in real-time. As Ophelia, you're trapped in a time-loop, reliving the same four days again and again, caught in a point-and-click adventure to change the fate of Elsinore Castle's inhabitants. With wonderful game mechanics, amazing music, and highly emotional moments, Elsinore challenges you to prevent a tragic ending."

"Homicipher is a narrative-driven game where players decipher an unusual language to progress. As they help the protagonist escape an otherworldly setting, players must be cautious not to fall in love with the strange men they encounter. Each decision made can have life or death consequences, and understanding the men's language is crucial to making the right choices."

In "Nobody Wants to Die," play as Detective James Karra in a futuristic, alternate New York City of 2329, where immortality is a luxury for the wealthy. As a member of the Mortality Department, Karra investigates a series of murders targeting the elite, utilizing time manipulation abilities and advanced technology. The case uncovers dark secrets of the city's powerful figures as Karra works with young police liaison Sara Kai.

"Sherlock Holmes: Chapter One" is an open-world detective adventure where players step into the shoes of a young Sherlock, solving mysteries and building reputation. Utilize deception, violence, or deduction to tackle problems, and explore diverse locations for clues. The game offers a unique look at Sherlock's early years, showcasing his arrogance and naivety before he becomes the legendary detective.