Touhou Seirensen ~ Undefined Fantastic Object.
アレは何だ？ 鳥か？ 妖精か？ 謎に満ちた未確認幻想物体が、君を未知の世界に誘う！ ファンタスティックでレトロな弾幕シューティング幻想
- Price:$14.99
- Release Date:6/6/2020
- Developer:上海アリス幻樂団
- Publisher:Mediascape Co., Ltd.
- Last Updated:3/14/2025
- Steam App Id:1100160
Touhou Seirensen ~ Undefined Fantastic Object.
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Touhou Seirensen ~ Undefined Fantastic Object. has 5 concurrent players online and in-game. This is 72% lower than its previous all-time peak of 18 players achieved on 1/18/2025.
Touhou Seirensen ~ Undefined Fantastic Object. Review
Touhou Seirensen ~ Undefined Fantastic Object. has achieved a Steambase Player Score of 96 / 100. This score is calculated from 346 total reviews on the Steam store — giving it a Very Positive rating. These are split between 331 positive reviews, 15 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Touhou Seirensen ~ Undefined Fantastic Object. using the chart below.
Touhou Seirensen ~ Undefined Fantastic Object. Price
Touhou Seirensen ~ Undefined Fantastic Object. costs $14.99 in the Steam store as of 3/14/2025. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Touhou Seirensen ~ Undefined Fantastic Object..
About Touhou Seirensen ~ Undefined Fantastic Object.
Touhou Seirensen ~ Undefined Fantastic Object. is an Indie, and Action game developed by 上海アリス幻樂団. On 6/6/2020, it was released on the Steam Store by Mediascape Co., Ltd.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Touhou Seirensen ~ Undefined Fantastic Object. supports the following features:
- Family Sharing
- Steam Cloud
- Single-player
From the Steam community, Touhou Seirensen ~ Undefined Fantastic Object. has been tagged with the following user tags:
- Difficult
- Great Soundtrack
- Shoot 'Em Up
- Faith
- Bullet Hell
- Arcade
- Indie
- Anime
- Action
- Female Protagonist
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for Touhou Seirensen ~ Undefined Fantastic Object. and see the latest screenshots from the Steam Store.
Related Packages
Touhou Seirensen ~ Undefined Fantastic Object. is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| 東方星蓮船 〜 Undefined Fantastic Object. | $14.99 | View |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Touhou Seirensen ~ Undefined Fantastic Object. data has been sourced from:
- Valve Corporation. (2025, March 14). Touhou Seirensen ~ Undefined Fantastic Object. on Steam. Steam Store. https://store.steampowered.com/app/1100160
- Valve Corporation. (2025, March 14). Touhou Seirensen ~ Undefined Fantastic Object.. Steam Community Hub. https://steamcommunity.com/app/1100160
- 上海アリス幻樂団. (2023, July 10). Touhou Seirensen ~ Undefined Fantastic Object.. Touhou Seirensen ~ Undefined Fantastic Object.. http://www16.big.or.jp/~zun/