Here are the most helpful codes (that still work!) for Super Contra, Metroid, Mega Man 2 and more.
Source: IGN.com The Best NES Classic Cheats and Codes: Mega Man, Contra, and More
Here are the most helpful codes (that still work!) for Super Contra, Metroid, Mega Man 2 and more.
Source: IGN.com The Best NES Classic Cheats and Codes: Mega Man, Contra, and More
