Bubble Bobble also featuring Rainbow Islands (DOS)

Bubble Bobble also featuring Rainbow Islands
Developers: Probe Software, Graftgold Publisher: Acclaim Entertainment Platform: DOS Released in US: September 30, 1996 This game has hidden development-related text.

It's Bubble Bobble and Rainbow Islands (with an optional ugly skin on top) on your PC!

Leftover Batch File

CONV.BAT, a batch file that the developers used to convert normal MIDI files to MDI files (a format used by the Audio Interface Library) can be found in ACCLAIM\BUBBLE\GAME\MUSIC:

midiform arkover.mdi original\arkover.mid
midiform arkstrt.mdi original\arkstrt.mid
midiform boss.mdi original\boss.mid
midiform bossend.mdi original\bossend.mid
midiform gameover.mdi original\gameover.mid
midiform gcomp1.mdi original\gcomp1.mid
midiform gcomp2.mdi original\gcomp2.mid
midiform gcomp3.mdi original\gcomp3.mid
midiform hint.mdi original\hint.mid
midiform hiscore.mdi original\hiscore.mid
midiform rain2fin.mdi original\rain2fin.mid
midiform title.mdi original\title.mid
midiform titlefst.mdi original\titlefst.mid
midiform map.mdi original\map.mid

While the batch file contains fourteen entries, there are eighteen MDI files in the music folder, one of which (BLANK.MDL) is well, blank.