Plot: Beatmania IIDX 19: Lincle is the 19th installment of Beatmania IIDX series. The location test itself was announced on April 18, 2011. The location test was held first on Akihabara on April 20, 2011. Umeda's location test started on April 22, 2011, and both ended on April 25, 2011. Wikipedia
Plot: Beatmania IIDX 18 Resort Anthem is a music video game in the Beatmania IIDX series of games by Konami. On April 19, 2010, Bemani fansite Zenius -I- Vanisher reported that Konami had announced the first location test for the newest game in the IIDX series. Wikipedia
Plot: Reflec Beat is a series of music video games by Konami which debuted in 2010. Reflec Beat uses a touch screen as its main method of control - the first in the Bemani series to do so - and has gameplay based on 2-player competition, which has been compared to air hockey. Wikipedia
Plot: Beatmania IIDX 17: Sirius is the 17th installment in Konami's Beatmania IIDX series of music video games. The main motif of Sirius's UI is astronomy, as the game is named after Sirius, known to be the brightest star in the night sky. Wikipedia
Plot: beatmaniaIIDX 20 tricoro is a music video game and the 20th installment of the Beatmania IIDX series of video games. It was first announced on April 14, 2012. Location tests began in Akihabara and Osaka on April 18 and 20, 2012 respectively. Both ended on April 24, 2012. Wikipedia
Plot: Dance Dance Revolution X2 is a music video game, and a part of the Dance Dance Revolution series. The arcade version of DDR X2 was revealed by Konami on November 20, 2009. The sequel to Dance Dance Revolution X, X2 began public beta testing on November 25, 2009. Wikipedia