Getting GAME OVER (except on the Extra Stage in Arcade Mode) causes that run through to not count towards your total. To unlock LESSON 5, complete any combination of either Arcade Mode, Dan Mode, or Expert Mode five times.Getting GAME OVER (except on the Extra Stage in Arcade Mode) causes that runthrough to not count towards your total. To unlock Under The Sky, complete any combination of either Arcade Mode, Dan Mode, or Expert Mode three times.With the release of L.E.D.'s album 電人K in 2008, beatmania IIDX 10th style CS is the only CS beatmania IIDX game to have long versions for all of its CS songs.First CS beatmania IIDX game to include a JUDGE display (notecounts on top of the video), which can be turned on via the options menu.First CS beatmania IIDX game where all the new CS songs have full Single and Double charts.Previously, both sides had to use the same mods.