Guilty Gear Petit 2

Guilty Gear Petit 2 (ギルティギア プチ２, Giruti Gia Puchi Tsū) was released eight months after the first. The game has 13 regular characters, 2 secret characters (Testament, Venom), and four "Golden" characters (GGMillia, GGKy, GGSol, and GGMay). The game was only released in Japan for the WonderSwan Color. (wikipedia.org)