This fan game tells the story of why chaos emeralds are no longer used in recent Sonic games. What events took place after Sonic Unleashed before Sonic Lost World, which prevents the characters from using chaos emeralds? What secrets do the temples of Chaos Emeralds hide?

This fan game tells the story of why chaos emeralds are no longer used in recent Sonic games. What events took place after Sonic Unleashed before Sonic Lost World, which prevents the characters from using chaos emeralds? What secrets do the temples of Chaos Emeralds hide?