Opera House (hidden data)

MSX2/SMS

MSX-C ver 1.1 CRUN

The string above is found in the following games:

• American Soccer (MSX2)
• Chuuka Taisen (MSX2)
• Cloud Master (SMS)
• Double Hawk (SMS)
• Nekketsu Juudou (MSX2)
• Ninja Kun: Ashura no Shou (MSX2)
• R-Type (MSX2)
• Ultima: Kyoufu no Exodus (MSX2)

PC-98

One of the disks from Advanced Dungeons & Dragons: Champions of Krynn (PC-98) contains the following text strings:

(GRCG/TSR)  version 1.30 
Copyright (C) 1988-92 by Makoto Ichinoseki

lidrv Ver1.0 Copyright(C)1992 Youderng

NOTE: Makoto Ichinoseki and Youderng (Keiichi Yoshida) are/were programmers with Opera House.

OPERAHOUSE=4Yu

One of the disks from Advanced Dungeons & Dragons: Death Knights of Krynn (PC-98) contains similar strings:

lidrv Ver1.30 Copyright(C)1993 Youderng

(GRCG/TSR/400line)  version 1.41 
Copyright (C) 1988-92 by Makoto Ichinoseki

OPERAHOUSE=4Yu