Naoto Ohshima on Twitter:
Let’s completely dump the crappy game and the love that vanished in the waves.
Sonic the Hedgehog: The appearance of a totally new pinball action game with new sensation. After all, it’s better to have feel-good game as well as love. The hedgehog Sonic debuts on February 14.
and
Dreams Come True: Settled on Sonic sound with joint concert at Tokyo Budokan!!
I was considering the design images of leaflets while developing Sonic. This is one of the rough designs at that time. I wanted to make it cocky and cool. The copies and so on were entirely my temporary images.