Sonic E.X.E. (Short 2017) - IMDb

Sonic E.X.E.: Sonic the Hedgehog finds out that his best friend Miles "Tails" Prower has been killed by an terrifying evil monster. Soon afterwards he gets sent a package in the mail the includes a letter and a disc that contains a game labeled "SONIC.EXE". Sonic decides to play the game, he plays as Tails, Knuckles, and Robotnik and one by one the get killed by an evil version of himself. After finishing the game he soon realizes that the evil version of himself from the game had come into his world and killed Tails and is now after him.

Sonic Prologue (Short 2014) - IMDb

Sonic.EXE-Short Horror Film (Creepypasta)

RTTP - Sonic Adventure (still my favorite Sonic game)

Metal Sonic

Sonic E.X.E. (Short 2017) - IMDb

Who is winning , Super Sonic or Zygrade? - Quora

Sonic Shorts (TV Series 2008–2016) - IMDb

Act 3: Who do you think I am Sonic? ( Part 1), Blood on our hands( SonAmy. EXE)

Sonic.EXE Fan Casting

Sonic.EXE-Short Horror Film (Creepypasta)

Sonic E.X.E. - Official Trailer [HD]