UDONGEIN X
Short description
Help Reisen Udongein Inaba navigate through 14 action packed stages in this exhilarating 2D Bullet Hell Platformer based on Touhou Project!
- Developer
- Bar Holographic Otaku
- Publisher
- Bar Holographic Otaku, 东游鉴
- Release
- Fri, Dec 03, 2021
- Price
- $4.99
- Reviews
- 425
- Positive
- 92%
- Followers
- 1,115
- Owners (estimated)
- 20K – 50K
- Concurrent players
- 1
- Genres
- Action, Indie
- Features
- Full controller support
- Tags
Review count and SteamSpy's owner range agree well enough to narrow the estimate down to this band. Multiplied by $4.70, the average price these copies actually sold for — weighted from the price history rather than taken from the $4.99 launch price. That is 6% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.
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Media
History
12 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.
The revenue curve is an estimate, not a measurement. It is the only calculated series here: each interval takes the review growth of that period, multiplies it by the sales-per-review factor and by the price actually charged at the time, and adds the result to the running total. That is why it climbs more slowly through discount periods than the review curve next to it. The last point is the same figure quoted above — gross, before Steam's cut, VAT and refunds. How these numbers are calculated.
The blurred area is the rest of the history. 97 further data points reach back to Dec 1, 2021 — your plan shows the last 90 days of it. How far each series in particular reaches is written on its own chart; not every one of them goes back that far. The shape in the blurred area is decoration, not data: the figures are not in this page at all. Plus unlocks the complete series.
Lowest recorded price: $0.49 on Jun 29, 2023.
Similar games that found an audience
Games sharing at least 3 of this title's leading tags, with enough reviews to have gone somewhere. Ranked by how much they overlap, not by how big they are. − missing and + extra mark the tags each one does not share with UDONGEIN X. Studio counts the titles that developer has released — the closest thing to production scale that public data allows. It is not a budget, and nobody publishes those.
| Image | Name | Studio | Shared | Tag difference | Price | Reviews | Positive | Released | Revenue (estimated) |
|---|---|---|---|---|---|---|---|---|---|
|
Soda Crisis | Team Soda 3 titles | 4 | − 2D Platformer − Faith + Runner + Shooter | $10.99 | 2,910 | 93% | Mon, May 23, 2022 | $2.2m $2.2m – $2.6m |
|
Alex Jones: NWO Wars | NWO Wars Team first game | 4 | − Platformer − Faith + Arcade + Shooter | $17.76 | 1,746 | 92% | Wed, Jan 03, 2024 | $1.8m $1.8m – $2.5m |
|
Gal Guardians: Demon Purge | INTI CREATES CO., LTD. 24 titles | 4 | − Shoot 'Em Up − Faith + Adventure + Anime | $24.99 | 1,321 | 80% | Thu, Feb 23, 2023 | $1.4m $1.1m – $2.3m |
|
Iron Meat | Retroware 11 titles +1 | 4 | − Action − Faith + Shooter + Arcade | $19.99 | 974 | 96% | Wed, Sep 25, 2024 | $806k $358k – $3.7m |
|
Contra: Operation Galuga | WayForward 23 titles | 4 | − Side Scroller − Faith + Arcade + Shooter | $39.99 | 796 | 88% | Tue, Mar 12, 2024 | $1.9m $1.9m – $2.4m |
There are more like this. Your plan shows the 5 closest neighbours; Plus and Pro show up to 100 — enough to see the shape of a niche instead of a sample of it.