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Grauen no Torikago Kapitel 1: Keiyaku (グラウエンの鳥籠 Kapitel 1 「契約」) is the first of six Grauen no Torikago games released for the Sega Dreamcast. It is an interactive movie game sold exclusively through the Dreamcast Direct online service, and also relies on an internet connection (and now deceased servers) in order to function.
The sequels of Grauen no Torikago were only available to consumers who had finished the preceeding game, making later entries exceedingly rare.
- Main article: Grauen no Torikago Kapitel 1: Keiyaku/Magazine articles.
|Sega Retro Average
|Dreamcast Magazine (readers) (JP)
|| №, p35
| Based on|
- Sega of Japan catalogue pages (Japanese): Dreamcast
- ↑ File:Dorimaga_20021011_JP.pdf, page 35