Sword Art Online Alternative Gun Gale Online (often shortened to just Gun Gale Online or GGO) is a most unusual spinoff of SAO. Mostly because it completely changes the genre of the story. The original Sword Art Online by Reki Kawahara is basically a medieval fantasy adventure, while GGO by Keiichi Sigsawa is a military … Continue reading ‘Gun Gale Online’ Season 2 Announces Premiere Date