Beatmania IIDX Substream

Developed by Konami
Release date: 27 Jul 1999
Music
Beatmania IIDX Substream
Developer: Publisher: Konami
Platforms: Arcade
The 2nd arcade release in Konami's beatmaniaIIDX franchise. Wasn't much of an upgrade but it added some popular tracks from the 5-key franchise as well as some new songs that still remain amongst the most notable in the series.