Hack of Castlevania where Sonia Belmont from the Gameboy title "Castlevania: Legends" is now the playable character instead of Simon.
Castlevania (U) (PRG1) [!]
MD5: 52EB3F7E2C5FC765AA71F21C85F0770E
SHA-1: 7A20C44F302FB2F1B7ADFFA6B619E3E1CAE7B546
CRC32: 856114C8
ROM MD5: 728E05F245AB8B7FE61083F6919DC485
ROM SHA-1: 3DCB69A8C861C041AEB56C04E39ADF6D332EDA3A
ROM CRC32: B668C7FC