Sonic, Knuckles, and Tails reunite against a powerful new adversary, Shadow, a mysterious villain with powers unlike anything they have faced before....
Over a decade after 'gates' connecting worlds appeared, awakening 'hunters' with superpowers, weakest hunter Sung Jinwoo encounters a double dungeon...
Top Nazi officials, intent on rooting out traitors and those in the military who may be plotting to overthrow Adolf Hitler, recruit and train a group...