This video has all the official trailers so far and official gameplay fights, 19+ minutes long! The first Saint Seiya Soldiers Soul trailer in this video starts at the beginning and the first Saint Seiya Soldiers Soul gameplay in this video starts at 9:45.
This second video has 20+ minutes of Legend of Cosmos Story mode gameplay from Saint Seiya Soldiers' Soul by the awesome Bandai Namco Entertainment team! This is the Asgard arc of the story mode. Saint Seiya Soldiers Soul comes out on September 25 for PS4 and PS3. It will come to PC/Steam sometime later on.