mega man: the wily wars
Compilation of the first three games in the classic Mega Man series with some differences, developed by Capcom for the Sega Mega Drive. After clearing all three Mega Man games on the same save file, the Wily Tower mode is unlocked. In Wily Tower, Mega Man must battle a trio of new bosses called the "Genesis Unit".
Genesis Unit
This tag implicates mega_man_(classic) (learn more).