Marked for Eternity


You (the MC) live in West Mountain, a town that on the surface appears pretty mundane. However, you soon discover that this seemingly normal town has many mysteries, secrets and a dark history of supernatural wars.

When you were only 4 years old, your mother passed away in a car accident. 11 years later, tragedy struck again: your father abruptly fell into a coma for “unknown reasons” and was hospitalized. After that, you moved in with your stepmother Stephanie and her daughters (your stepsisters) in West Mountain.

In this supernatural/sci-fi story, you’ll unravel the mysteries of West Mountain and the reason behind your father’s condition—and of course, you’ll also try your luck with gorgeous girls along the way.

“Where there are answers, there lie only more questions.”


Choice-based Gameplay

Players can influence the course of the story by making choices in this interactive game. Your decisions will define the course you follow and the connections you make.

Engaging Storyline

Enter a world of romance, science fiction, and mystery. Discover the mysteries of West Mountain and the sinister background of occult conflicts. You’ll be captivated by the compelling storyline from beginning to end.

Supernatural and sci-fi Elements

Take in a distinctive fusion of sci-fi and paranormal themes. Explore cutting-edge technology, come across otherworldly entities, and learn the real reason for your father’s illness.

Romance Options

You’ll get the chance to seek romantic relationships with stunning girls along the way. Amid the wonders of West Mountain, will you discover love? You have an option.


  • 3dcg
  • Animated
  • Graphic Violence
  • Harem
  • Incest
  • Male Protagonist
  • Masturbation
  • MILF
  • Mobile Game
  • Oral Sex
  • Romance
  • Sci-Fi
  • Voyeurism


My name is Horn nii-san and I’m developing “Marked for Eternity,” a choice-based visual novel with a lot of mystery, sci-fi, romance and more!


Frequently Asked Questions

What is a Marked for Eternity?

Marked for Eternity is an adult visual novel developed by Horn Nii-san

Who developed the Marked for Eternity?

Marked for Eternity was developed by Horn Nii-san.

When is the next update?

The timing of the next update is not specified, but Horn nii-san will keep players informed about it through its social media accounts.

When was the initial release of the Marked for Eternity?

Marked for Eternity was released on  Sep 17, 2021.

 Where can I report bugs?

If you encounter any bugs, please report them on the game’s Discord server. Alternatively, you can leave comments on the Patreon or pages to provide feedback.

How can I become a patron?

Becoming a patron is easy. You can become a patron by clicking on this link to visit Horn nii-san’s Patreon site:

Will you add more characters to the game?

As the game continues its early development phase, there’s exciting potential to introduce additional characters, enriching the gaming experience. Keep an eye out for updates and the potential addition of new characters as development advances.

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