Sonic Superstars is one of the bigger let-downs of Sonic's career in recent years. Sega has previously admitted it was a sales disappointment, but Sega's president has now gone one step further.

Co-op has been a staple feature of many Sonic games for decades now. These examples are the best of the bunch.

Sega president Shuji Utsumi in an interview with Eurogamer was asked how they were working to increase the quality of Sonic games and he admitted Sonic Superstars was a "disappointment." ...