Yukawa Moto Senmu no Otakara Sagashi

Yukawa Motosenmu no Otakara Sagashi is a puzzle game for the Sega Dreamcast. It stars Hidekazu Yukawa on a treasure hunt looking for Sega-branded items. There was an online segment where players could register the items they found with the chance of winning real copies. It was only released for about a month, and in this time it was attached with Dreamcast for free.