Sonic’s only outing on Sega’s expensive add-on was an unusual affair, with character designer Naoto Ohshima taking over as game director. Sonic was able to travel back and forth in time during each stage in an attempt to fix the future, experiencing different level layouts as a result. This necessitated a different style of stage design compared to his other 2D platformers, as he is expected to backtrack often and explore each stage thoroughly. It’s topped off by an impressive 3D-style special stage and a CD soundtrack.
» [Mega-CD] Collect essential Time Stones by destroying every UFO in special stages.