688 Attack Sub
NEC PC-9801 Series 5.25in.disk. published 28 years ago by Victor Musical Industries, Inc.
Listed and emulated in MAME !
Information for the following ROM(s): 688atsub
688 Attack Sub © 1991 Victor Musical Industries, Inc.
Click to enlarge
Floppy Disk x1
Released on August 23, 1991 in Japan. Retail price: 9800 Yen.