Back Imperishable Night ID Imperishable Night Italian 東方永夜抄 〜 Imperishable Night. Japanese 동방영야초 ~ Imperishable Night Korean Imperishable Night LLD Imperishable Night Russian Imperishable Night Ukrainian Imperishable Night Vietnamese 東方永夜抄 ～ Imperishable Night. Chinese
| Imperishable Night | |
|---|---|
 Original CD-ROM cover, featuring the silhouettes of Kaguya Houraisan (in the center) and Fujiwara no Mokou (in the moon in the bottom left). | |
| Developer(s) | Team Shanghai Alice |
| Publisher(s) | Team Shanghai Alice |
| Composer(s) | Team Shanghai Alice |
| Series | Touhou Project |
| Platform(s) | Microsoft Windows |
| Release | |
| Genre(s) | Bullet hell (danmaku) |
| Mode(s) | Single-player |
Touhou Eiyashou ~ Imperishable Night. (Japanese: 東方永夜抄 〜 Imperishable Night., lit. "Eternal Night Vignette from the East") is a 2004 vertical bullet hell scrolling shoot 'em up developed by Team Shanghai Alice. It is the eighth game in the Touhou Project series, and the third main Touhou game to be released specifically for the Windows operating system.
Imperishable Night introduces the 'partner' system, allowing the player a choice between four teams of two characters to switch between, each with their own shot type, in real-time.
The game's story is based on that of the Tale of the Bamboo Cutter and centers around Gensokyo's moon being replaced by a fake during the Harvest Moon Festival, with the chosen team warping time to try and find the culprit before the end of the night and festival. It was first released at the 66th Comiket on August 15, 2004.
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