User blog comment:Blazing Flare/SEGA 3D Classics collection confirmed: Sonic 1 is listed in it!/@comment-3571790-20160122135738/@comment-30992517-20160128001641

The first four games were named Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic the Hedgehog CD, and Sonic the Hedgehog 3 & Knuckles. In this entire article a detective or indie game isn't mentioned. http://sonic.wikia.com/wiki/Sonic_the_Hedgehog_series#Notable_games