no not yet
Yes and no. Sonic Dimensions is a downloadable Sonic fan game created by supersonic68. It features levels from previous Sonic games. But it is not an official Sega released game. I doubt that Sega actually will make a game with that title, but you never know.
Yeah. Go To Google Type Sonic Cosmic Dimensions 3 And Click On It. Sonic Cosmic Dimensions 4 Is Coming Out Soon!
If you are talking about dimensions there are so many different kinds of Sonics. In Mobius there is Prime Sonic. In Sonic X there is the Sonic X Sonic. If you read the Super Sonic Specials #10 you will see that Under Sonic and Prime Sonic fight Evil Sonic. Prime Sonic travels through dimensions by Zonic (Zone cop).
nope
Sonic Me was created in 2005.
Sonic Team was created in 1990.
Sonic Impact was created in 1999.
Sonic Violence was created in 1989.
Sonic Youth was created in 1981.
Sonic Slam was created in 2000.
Sonic - train - was created in 1997.
Sonic Solutions was created in 1987.