"The Guild series (ギルドシリーズ Girudo Shirīzu) is a compilation of video games produced by Level-5 for the Nintendo 3DS in cooperation with various game designers. The first game, Guild01 (ギルド01 Girudo Zero Wan), featuring games by designers Goichi Suda, Yoot Saito, and Yasumi Matsuno as well as Yoshiyuki Hirai of comedy duo America Zarigani, was released in Japan on May 31, 2012. It also includes a playable demo of Level-5's game, Time Travelers. Three of the titles have been announced for individual release on the Nintendo eShop in Western territories during Fall 2012. All four of them were released individually on the Japanese eShop not long after. A second compilation, Guild02 (ギルド02 Girudo Zero Tsū), which features games designed by Keiji Inafune, Kazuya Asano, Takemaru Abiko and Kaz Ayabe, is in development and will also see individual eShop release."
Source: Wikipedia, "Guild01", available under the CC-BY-SA License.