A beautiful stranger appears at your doorstep. Will you let her in? Dive into a captivating nightmare and decide the fates of those around you in this free mystic thriller visual novel.
Recent Reviews:
Very Positive (107) - 85% of the 107 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (4,216) - 89% of the 4,216 user reviews for this game are positive.
Release Date:
17 Feb, 2023
This game is marked as 'Adult Only'. You are seeing this game because you have set your preferences to allow this content.

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Check out the entire Nupu Neko Games franchise on Steam

Play Selene ~Apoptosis~


Mature Content Description

The developers describe the content like this:

This Game may contain content not appropriate for all ages, or may not be appropriate for viewing at work: Some Nudity or Sexual Content, Adult Only Sexual Content, Frequent Nudity or Sexual Content, General Mature Content

About This Game


This visual novel deals with mature themes and may not be appropriate for those who are easily disturbed.


It all begins as a beautiful stranger appears at a lonesome doorstep. This is a love story of a man who slept too little and a stray cat.

Selene ~Apoptosis~ is a free mystical thriller visual novel filled with dark romance and even darker secrets.

Fight for those you love. Fight for your life. Find the truth.
And, most importantly, eat well.



  • A mystic thriller/horror story inspired by David Lynch and Stephen King's works.
  • The main story is completely free.
  • You can pet a cute catgirl!
  • Japanese and English voiceover for female characters (German and Italian coming soon). You can also choose to switch that off.
  • S0U P ?
  • Choices-driven branching narrative.
  • Multiple endings.
  • Secret discovery journal.

Add to your Wishlist now not to miss the launch — and be the first one to play!

System Requirements

SteamOS + Linux
    • OS *: Windows XP
    • Processor: 1.2 GHz Pentium 4
    • Memory: 512 MB RAM
    • Storage: 800 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    • OS: OSX Leopard 10.5.8 or later
    • Processor: 1.25 GHz PowerPC 7447 (G4)
    • Memory: 512 MB RAM
    • Storage: 800 MB available space
    • OS: SteamOS
    • Processor: 1.2 GHz Pentium 4
    • Memory: 512 MB RAM
    • Storage: 800 MB available space

More from Nupu Neko Games

What Curators Say

34 Curators have reviewed this product. Click here to see them.

Customer reviews

Review Type

Purchase Type


Date Range
To view reviews within a date range, please click and drag a selection on a graph above or click on a specific bar.

Show graph

Filter reviews by the user's playtime when the review was written:

No minimum to No maximum
Display As:
Show graph
Hide graph
Excluding Off-topic Review Activity
There are no more reviews that match the filters set above
Adjust the filters above to see other reviews
Loading reviews...