Game · Action & shooters

Taisei Project

Bullet hell shoot 'em up game set in the Tōhō universe.

Completely free
Windows and Linux
Open source
No account

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Download from the official source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub, Winget (Windows Package Manager)
License: MIT & CC-BY-4.0 & CC0-1.0 — Creative Commonsconfirmed by Flathub, Winget (Windows Package Manager)
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Flathub, Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: Windows and LinuxEstablished by Linux: Flathub · Windows: Winget
Publisher: Taisei Project Team
Latest version: 1.4.6 (2 August 2026)
Latest activity: 9 November 2026
Source code: github.com/taisei-project/taisei

Overview

Taisei Project is a shooter, available on Windows and Linux.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Bullet hell shoot 'em up game set in the Tōhō universe” — Flathub, 10 November 2026

At a glance

Taisei Project is completely free: it is open source software, and every feature is available without paying or subscribing.

Its content is under a Creative Commons licence (MIT & CC-BY-4.0 & CC0-1.0): check the attribution requirement and any non-commercial restriction.

Strengths

Open source code
No account needed
Commercial use allowed

About

Taisei (泰西, lit. Occident) is a free and open-source fangame of the Tōhō series. Basically, it is a shoot ’em up game with lots of bullets (the genre is literally called bullet hell). It doesn’t aim to rebuild a particular installment of the Tōhō games, but is rather an original game set in the world of Tōhō. Enjoy dodging through 6 stages full of new bullet patterns on four difficulty levels!

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) — 7 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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