Murphy's law: Anything that can go wrong, will go wrong. As Sonic and company are about to find out, they're in for a long and painful, physically and emotionally, descent into rock-bottom...

Eggman's on the move, plotting to wipe out the face of Mobius. With his minions on the loose, Mobius devastated by a recent blizzard, and the beginning of the end approaching, it's time for Sonic and company to give saving Mobius one last final shot.

Directly follows the events of "Mobius: The Final Stand Part 2"

Life with Cosmo back... Follows directly after the events of "Mobius: The Final Stand Part 1"

Only a day after the Meterex, Tails is suffering harshly from the depression of losing Cosmo. But then, a stranger arrives bringing a whole new twist of adventures and danger along with him, as well as the offer to help bring back Cosmo...