A sci-fi franchise from Byking, Taito and Square Enix.
It mainly consists of a series of third-person shooters that debuted in arcades in 2012, featuring unique dual light-gun controls and online team deathmatch gameplay. The video game series debuted on PC as a closed alpha in 2015.
An anime television series based on the games has been produced. After a 2013 preview, the anime series will begin airing on Japanese television in 2015.
The 2015 Dissidia: Final Fantasy game for arcades uses a similar gameplay engine to the Gunslinger Stratos games. Square Enix's 2015 arcade game School of Ragnarok also features similar gameplay.