Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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92% positive of 428 · Very Positive · Live from Steam
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Help Reisen Udongein Inaba navigate through 14 action packed stages in this exhilarating 2D Bullet Hell Platformer based on Touhou Project!
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 92% on 2026-11-01 → 92% today (428 reviews)
No authorized Steam key store lists this game right now.
Works, but may need extra effort. Results from Valve's own testing.
2 items on Steam, newest first.


Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Seiran is now available as a new playable character via DLC for UDONGEIN X! In addition, the game received an update with new language options, bug fixes, and minor balance changes. https://store.steampowered.com/app/2198950/UDONGEIN_X__Seiran/