Deathsmiles Mega Black label (c) 2008 Cave Company, Limited.
Cave CV1000D Hardware
CPU : Hitachi SH-3 CPU, 133 Mhz Clock
Sound Chip : Yamaha YMZ770C-F
Chip U1 : IS42S32400D 128Mb SDRAM @ 166mhz (standard SH3 has MT48LC2M32 64Mb SDRAM)
Chip U4 : 32Mbit Spansion S29JL032H (standard SH3 has a 16Mbit Spansion S29AL016D.
Deathsmiles Mega Black label was released on October 10, 2008 in Japan only. It is a limited (150 copies total) edition of the game. It added Sakura as playable character, as well as the Crystal Shrine stage, and Level 999 difficulty level.
Official website: http://www.cave.co.jp/gameonline/deathsmiles/black/index.html