Planned Release Date: 2025

About This Game

东方绮樱绘 ～ Categorical Imperative Valid?

This is a program that lets you enter the Touhou Project’s Gensokyo, allowing you to have ultra-fair danmaku battles against the girls there.

1. Write your own story. We will collect data about your soul and appearance. You’ll be able to wear your favorite clothes and move freely throughout Gensokyo. Try forging your own adventure story in Gensokyo!

2. A System for Fair Danmaku Battles. The bullets of enemies in this game will damage not only you, but other enemies as well. Therefore, you’ll need to learn how to “cooperate” with enemies.

3. Merit and Scoring Systems. You’ll be judged by the Yama for hurting living beings, while saving a single life is more deserving of Merit than constructing a seven-storied stupa. Try to accrue Merit and obtain the associated rewards!

4. Money System. The funds acquired in game will persist, and can be used at Kourindou to obtain more powerful weapons, spell cards, and items. Work hard to earn more funds and strengthen yourself!

5. Your choices will lead Gensokyo to multiple possible futures. Listen to the Touhou-styled yet also rebelliously rock-styled music, and begin your adventure now!

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Sometime after the Flower Incident, in Autumn of one year, purple cherry blossoms appeared again in Gensokyo.

These purple cherry blossoms were made to bloom by the spirits of sinners possessing the flowers.

Why had the spirits of sinners appeared in Gensokyo? Set out on an adventure and reveal the truth!

Notice of Originality

We hereby declare that Categorical Imperative Valid? was independently developed by Team Categorical Imperative Valid?. No Artificial Intelligence tools were used in the course of development, and other than those already noted, this program does not contain any publicly released work of any other person or organization. Persons or organizations who have made important contributions have been credited prominently in game.

Asset Guidelines

Categorical Imperative Valid? is an openly-available project based on LuaSTG ex+. Any user who purchases Categorical Imperative Valid? is allowed to use and modify the work’s music, visual assets, and code in any manner; giving credit is not required. However, the development team takes no responsibility for the consequences of improper use of the assets.