Ultra hardcore mode in which Mario goes into this hellish difficulty hack for this classic
-Ultra speeded up enemies
-Almost all palletes changed
-A few new graphics added
-Title and title theme changed
Mario Bros. (U) [!].nes
CRC32 a6de1b55
MD5 8d8e0b86dd870302bf4a994e76c55c83
SHA-1 9286a2db471d51713e9b75e68b47ffbf11e2d40b
SHA-256 2810051c21132abd8b9b1e1bf741b302ee6c1d4af983e0df7fe50bd05ac0a5c8