When did Sonic The Hedgehog go downhill?

Answer 1

Each person has their own opinion on when the Sonic series began going downhill, the consensus is that the Sonic series went downhill around the time of Sonic Heroes, with Sonic Adventure 2 being the last great mainstream game.

Answer 2

you sound like my freind

Answer 3

Probably in 2001, with the Sonic Adventures or Sonic Heroes...

Or Sonic Dash

Even though Sonic dash is amazing