Sonic Boom: Fire & Ice will launch for 3DS on September 27, Sega announced during the Sonic the Hedgehog SXSW 2016 panel.
Developed by Sanzaru Games, Sonic Boom: Fire & Ice is a single player game with collaborative gameplay components that shares key characters, events, and lore of the Sonic Boom universe. It sees Sonic and friends will embark on a new adventure to locations both familiar and new as they battle Dr. Eggman, as well as an a new super villain named D-Fekt.
Read more about the game here.