It therefore is a single ROM that offers the entire campaigns of Sonic the Hedgehog and Sonic the Hedgehog 2, either alone or together and enables the player to play as many characters such as Sonic, Tails, and Knuckles. Sonic Classic Heroes is a ROM hack for the Sega Mega Drive that is the result of a collaboration between flamewing and ColinC10, combining their respective hacks Sonic 2 Heroes and Sonic 1 and 2.
