Super Duper Sumos is (and quite possibly will be) the only game that features its main characters slamming their asses together on the box art.
Build Date#
Located at 0x12B916 is the game's build date:
08.15.03(Source: Original TCRF research)
Hidden Developer Credit#
Present at 0x3DC06C in the ROM:
HANDHELD GAMES, INC.(Source: Ferrox)