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 1 concurrent player online and in-game. This is 95% lower than its previous all-time peak of 20 players achieved on 5/14/2025.
Review History Chart
Track historical review trends and overall ratings for Touhou Seirensen ~ Undefined Fantastic Object.. It has received a total of 362 reviews on the Steam store and achieved a Player Score of 88 (Very Positive).
Price History Chart
Track historical price changes and trends for Touhou Seirensen ~ Undefined Fantastic Object.. Right now, it costs $14.99 in the Steam Store.
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for Touhou Seirensen ~ Undefined Fantastic Object. and its growth over time. It currently has 1,516 followers on its community page.
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.
Players have rated Touhou Seirensen ~ Undefined Fantastic Object. as "Very Positive" out of 362 total reviews on the Steam Store. These are split between 346 positive reviews and 16 negative reviews — an overall 96% positive review rating.
It is available for gamers to download and play for $14.99.
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:
- Single-player
- Steam Cloud
- Family Sharing
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 realtime 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/