Later, in an updated version of demo 3 (not demo 4), another character was released: a Frog.
Along with many bug fixes, some new system additions and new stage interaction effects four new playable characters were added: Nathan Graves, Maria Renard, Soma Cruz and Charlotte Aulin, as well as four new bosses. On 31st October 2009 a third demo release was made. Along with many bugfixes and some new system additions two new playable characters were added: Albus and a Persephone, as well as three new bosses. On 25th December 2008 a second demo release was made.
It contained 8 playable characters: Alucard, Richter Belmont, Simon Belmont, Hugh Baldwin, Julius Belmont, Yoko Belnades, Old Axe Armor, and a Skeleton, as well as many bosses. Serio's Castlevania Fighter was released on 19th September 2008.
