Copies of the Mega Drive Celebration Album CD preordered from Beep Shop in Japan came with a bonus flexi disc with alternate takes of tracks from The Revenge Of Shinobi and Streets Of Rage 2.

It is a red 33RPM 7″ flexi styled to look like the Beep flexi discs from the mid-to-late 80s.

Preorders opened on October 29, 2019 and it released with the CD on December 12, 2019.