This is a graphic hack of the US version of Megaman III. It replaces the main sprite with Riddler and the bosses with characters from the Batman Universe.
Other than a change to the bosses, you?ll find the nearly every damned level and enemy design is exactly the same as Mega Man 3.
File: Mega Man 3 (U) [!].nes
CRC32: BE6DBB5D
MD5: 1B5BDD75 9448390A BCC9D481 E8D83700
SHA1: 0728DB6B 8AABF7E5 25D930A0 5929CAA1 891588D0