"Sonic" Is an abomination that was used by Sega to promote a more "Edgy" Sonic based video game to try and gain a wider audience of all age. A "Demon" Of sorts layed waste within' this game, creating a brand new "Challenge" for players to travel through. however, the game itself was a complete failure, sparking national outrage over the fact that people were losing their lives over this game. Although, further examination revealed that these "Deaths" were the result of a person, rather than suicide, like previously though, while no definitive answer was ever given, all copies of "Sonic Round 0" Were called back, and the game ended up a disaster forgotten. 

But one day, A Young man by the name of Kyle, would find the game, and soon, unleashed this demon back into our world.