Project Subtrahend — Steam game overview

Stored observation / content update: 2026-10-25T14:21:18.000Z

Project Subtrahend is a choose-your-own-adventure visual novel, where you have the chance to get to know the stories, lore, and personalities of nine unique characters. Choices matter in this game, and it's up to you who lives or dies as you explore what it means to be human.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.