Hey, I noticed while packing this game for the DOS Game Jam Demo Disc that the distribution contains some files that are incompatible with the most basic ISO9660 level (no "-" supported):
SPMANBOB/BOB1-0.MID
SPMANBOB/BOB1-1.MID
SPMANBOB/BOB1-1.MAP
SPMANBOB/BOB1-0.MAP
SPMANBOB/BOB1-2.MID