Top similar games like Novena Diabolos:

Become an investigator in a dark fantasy story. People keep going missing in Maligree, before being forgotten by all who knew them. Will you solve the case before you forget?

Heritage is a psychological horror game where you dive into the dark secrets of a forgotten mansion. Explore shadowy rooms, solve puzzles, and uncover the hidden truth behind a family tragedy, all within a tense and eerie atmosphere.

A supernatural Halloween whodunnit. Solve a chilling locked-room mystery before the grim reaper reveals the answer!

Unearth secrets hidden between the trees. Solve a murder. Confront what awaits in the darkness. Whatever transpires, you’re guaranteed to be up all night.

A linear visual novel about five short stories, unrelated at first glance. Be prepared for mysticism, gloomy atmosphere and light psychological horror. Not recommended to play if you are experiencing depression or severe psychological state.

Awakened from a deep slumber, six students find themselves trapped inside an abandoned research facility, otherwise known as the "Losinglight". Escape into a war torn city, and discover the truth behind an otherworldly being like no other.

A string of campus killings. A newly-turned vampire struggling to adjust. A monster hunter seeking answers. Worlds collide as Dante Jones and Nick Torres, both in danger of being accused of the crimes, team up to reveal the true culprit in this chilling supernatural horror visual novel.

This game is a deduction game where you collect evidence from a murder scene to find the murderer. Eight boys and girls are admitted to the school. At the school, there is a crazy ghost named "Milla" who haunts and kills people.

The Silver Case – the debut title from world-renowned developer SUDA51 has been fully remastered and localized to English for the first time ever!

Investigate the mysterious death of an unidentified young woman, in this shocking psychological thriller kinetic novel.

"Sanguis: Veil of the Forgotten" is a mystery-horror visual novel. Follow the main character as he uncovers the dark secrets of a world that has always been under his nose. Dive into the murky tale, accompanied by a hundred-piece musical score and a wealth of artwork.

A vampire and a girl... who are they?　The two of them have a secret and solve a strange case... In a world where paranormal activity takes place, "Player" solves a case in which a non-human becomes a suspect. Such a "detective adventure" is coming to STEAM.

Jabberwock Island—You and your classmates were ready for fun in the sun until Monokuma returned to restart his murderous game! Trapped in a kill-or-be-killed situation, your only hope rests in solving the island’s mysteries.

SAMARA plunges player into a first person, single player psychological survival horror game. Investigating his missing uncle's house, player encounters a disturbing doll. Through puzzles and chilling revelations , he confronts the darkness within and uncovers the horrifying truth.

Umineko When They Cry is the 2nd series of Sound Novel released by 07th Expansion. The steam version features renewed character sprites which is swappable from the classic art.

Welcome to Woodside, a third-person survival horror adventure. Explore, investigate and survive as Grace as she comes face to face with the supernatural terrors that plague a seemingly quaint British village.

Novena diabolos is an Ocult mystery adventure game. The main character, Park Joon-sung, has to find a single human woman who doesn't know who she is and get out of town safely.

Inspired by Allison Road. SUPERNORMAL is a psychological horror game set in a seemingly ordinary apartment harboring dark secrets. Play as Detective Wyatt, tasked with unravelling the disappearance of Masato Sakamoto's daughter. Search for clues and unravel the sinister truth.

Higurashi When They Cry is a sound novel. The music, backgrounds and characters work together to create a world that is the stage of a novel for the user to read. They laugh and cry and get angry. The user takes the point of view of the protagonist to experience the story.

[IS THE GIRL IN THE MANOR ALIVE OR DEAD?] Investigate an abandoned manor, gather evidence, and make choices that affect both the past and future in this mystery point-and-click adventure.

Traverse through twisted dreamscapes and encounter disturbing monsters in this action-horror RPG, while discovering a compelling story with loveable characters through hand-drawn visuals inspired by 90s anime.

A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.

Students' horrible stories FIN is a horror game created with RPG Maker XP. Find out what threatens the innocent students and how to resist them.- Iseru, The Presenter

The coiling chains of obsession that began with The Shell now threaten to strangle Detective Reiji Tokisaka in the third and final entry in the trilogy. As old friends and foes rise up for one last confrontation, can anyone break the cycle—and can Reiji's heart ever be set free?

You are FBI crime scene photographer Thomas Greene, fighting violent street criminals and documenting the crimes of a German serial killer known to the press as "Der Kannibale".

What twists the mind of an ordinary human into a serial killer?

The hero moves to a new city. However, along with him comes a masked killer who begins to kill his friends one by one... Make decisions to build your adventure. Can you stop him before it's too late?

Survival horror adventure with 2D pixel graphics and scary story in an dark abandoned village.

Matthew Nate, a middle-aged man plagued with mental health problems whose home has become a site of unexplainable paranormal activity and a malevolent female entity is pursuing him to his death.

Detective Reiji Tokisaka is back to face down a mystery that spans decades, if not centuries. With the aftermath of his last case weighing on his soul and a long-silent cult resurgent, can he solve the crime—or will it become his curse?

Mary Thorne has booked a week-long getaway at a rental house to escape the distractions of her family so that she can focus on her project. While staying at the house, Valley View Escape, she begins to notice an unnerving presence watching her every move.

"The Black Within is a single-player first-person psychological horror game that takes players on a chilling journey into the depths of the human psyche. When selling her soul for fame and fortune, Laila Rose faces the consequences of her actions. A tale where greed, fear, and change intertwine.

Exploration, puzzles and a touch of classic horror awaits you! Uncover the secrets and mysteries of Neuville's Mansion. Test your logic against diverse puzzles, locate and use a variety of items, and don't lose your sense of direction, as navigation itself becomes an obstacle in your path!