You’ve been invited to join Project Subtrahend. What could possibly go wrong?

…As it turns out, quite a lot!

In this thought-provoking choose-your-own-adventure visual novel, you’ll have the chance to get to know the stories, pasts, and personalities of nine unique characters after you've all been invited to help with an innocent social experiment. Explore the deep interpersonal relationships between them, learn about the politics of their world, and explore what it means to be human.

When things start going awry, and when the true intentions of the experiment are revealed, your choices will determine the possible endings you can get. It’s up to you who makes it out alive...

With a lore-filled world, entertaining gameplay, secret endings, rewards for achievements, bonus scenes, and an hour of playtime in each route, you won’t be getting bored anytime soon as you discover everything Project Subtrahend has to offer!

Make impactful choices
When the time comes, you choose how to escape and who survives.

Befriend (or be-enemy) nine vastly different characters.
Get to know their diverse life experiences, perspectives, and relationships.

Learn about Sicknessism
A new religion has emerged in New Evenfall; you have the chance to learn about it, and maybe even join in ;)

Earn extra content
Unlock achievements to fill out each character’s scrapbook and unlock bonus post-game scenes with each character!