Taiko no Tatsujin: Rhythmic Adventure 1, also known as Taiko no Tatsujin: Don to Katsu no Jikū Daibōken, was originally released exclusively for the Nintendo 3DS, in Japan only. Rhythmic Adventure 1 features a main story plot in Space-time Adventure Mode, in which series protagonists Don and Katsu travel through time to different periods, encountering various friends and enemies. Players engage in random encounter drum-playing battles and gather befriended enemies as team members. The game includes over 60 songs. Source: Wikipedia, "[en.wikipedia.org/wiki/Taiko_no_Tatsujin%23Taiko_no_Tatsujin%3A_Rhythmic_Adventure_1 Taiko no Tatsujin]", available under the CC-BY-SA License.