Project Subtrahend overview

Overview

Project Subtrahend comes from LilyDynamite and is published by LilyDynamite. It arrived on Steam on Dec 1, 2023, and it sits naturally among Single-player, Steam Achievements, and Family Sharing. SteamPulse tracks it across Windows, macOS, Linux, and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Project Subtrahend's latest SteamPulse observation recorded 0 players at 22 September 2026 - 16:44:07 UTC, with a tracked peak near 1. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 100% positive across 3 reviews.

Language and system requirements

Project Subtrahend is available in 1 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Project Subtrahend has sold up to 90 units and has recommendation data pending. The estimated VGI revenue is $288. On Twitch, 0 streamers are live with around 0 total watchers.

Project Subtrahend overview details

Project Subtrahend combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

You’ve been invited to join Project Subtrahend. What could possibly go wrong? Inspired by the trolley problem, this thought-provoking choose-your-own-adventure visual novel gives YOU control over who lives and dies. You 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. Don't get too attached... when things start going awry, you choose how to escape and who makes it out alive! With a lore-filled world, tons of choices, 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, but it won't be easy. Befriend (or be-enemy) nine vastly different characters. [\h2] 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!

SteamPulse editorial summary

Project Subtrahend is listed as a game with $3.99. It supports Windows, macOS, and Linux, belongs to Single-player, Steam Achievements, and Family Sharing, and is associated with Casual and Indie. SteamPulse's latest observation records 0 players at 22 September 2026 - 16:44:07 UTC, a tracked peak of 1, and 100% positive reviews.

Content descriptors

Character death, mild descriptions only and no images. Some mentions of drug use, sexual activity, and death. Characters will ask before going into detail about overdose or traumatic events.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.