Robotnik's Revenge

his is a hack which adds a boss attack which features all the bosses from Sonic the Hedgehog and Sonic the Hedgehog 2 for Genesis. The hack is based on Sonic the Hedgehog 2 for Genesis. The hack takes place in Death Egg zone and the objective is to get a good time and ranking. There are two modes, time attack and survival mode. Time attack mode grants infinite lives and has rings placed in-between battles. Survival mode has only three lives and has no rings whatsoever.