Here are some cheats and tips for the game Shenmue.
Hidden artwork:
Place any of the three game discs in a PC compatible CD-ROM drive to
find high resolution .BMP files in the “omake” directory.
70 Person Battle:
Successfully complete the game and save the Clear Data to unlock 70
Person Battle on the options screen. Disc 3 must be in the Dreamcast
in order to play this mode.