Hardcore Gamer: For many Sonic fans, Sonic the Hedgehog 2 is the pinnacle of the franchise. The game has been re-released several times since its debut on the Sega Genesis in 1992, but none of those iterations have officially included the Hidden Palace Zone until now. Christian Whitehead and his teammates at Sonic Retro have revived the forgotten stage for the remastered mobile release. Originally created to display Sonic's transformation into Super Sonic, Hidden Palace Zone was scrapped after the decision was made to grant players the ability directly after obtaining all seven chaos emeralds. Although corrupted fragments of the stage can be found on the original cartridge through game enhancement, this marks the first time the level has appeared in its completed form. The question is, is it any good?