Gunslinger Stratos[a] is a series of third-person hero shooter video games, developed by Byking and Taito, and published by Square Enix.

It debuted in arcades on July 12, 2012, with the scenario provided by Norimitsu Kaihō (from Nitroplus) based on a concept by Gen Urobuchi.

[1] It uses Silicon Studio's Orochi game engine,[2] and runs on the Taito Type X³ arcade system board.

Players can switch weapons in-battle, utilizing various strategies and tactics, by melding the two gun controllers together into different positions, such as: As the players progressed to the game's multiplayer mode, those who using the NESiCAxLive card can accumulate "Team Points" by winning battles, and using it to purchase and equip "Weapon Packs".

In 2115, the country known formerly as Japan has been split into two parallel worlds: the Frontier S (Stratos)[e] and the 17th Far East Imperial City Management District[f].