OnionGames official "doujinshi magazine," 「The Treasured Development Notebook」.
Includes a level map useful for mastering 『Million Onion Hotel』,
scratch concept art and chronology of development,
lyrics and musical scores of the in-game BGMs,
staff discussions, and much more!
・Pixel art collection
・「Uchuu No Uta」musical score & lyrics
・Game level maps
*The language is Japanese.
If you live overseas, please read the following and use this transferring service.