This patch will unlock the two Battle Mode hidden stages, it also works with the
http://www.romhacking.net/translations/1450/'s English translation patched ROM.
Super Bomberman 4 (Japan).sfc
CRC32: 3BBAEB19
MD5: DF33E261104EFEE409DE8F294D80AD6E
SHA-1: FF580E5A990B1EB4026FDC3669EC6F4A750B6309
SHA-256: BDD90B49BF08D0D0A80E4B4EC811084D470355C648C49A28A0E838CBF1EA8F92