Chronos Twin (Europe) (En, Fr, De, Es, It), known as Chronos Twin (クロノスツイン) in Japan, is a vertical-scrolling shoot 'em up game released for the Nintendo DS in 2006. Developed by Success Corporation and published by Nintendo, Chronos Twin is the first game in the Chronos series. Set in the distant future, players take control of a powerful space fighter, the Chronos Twin, as they battle their way through hordes of alien enemies. The game features several modes, including the main story mode, which follows the story of the Chronos Twin's struggle against the alien forces that threaten humanity. Players must battle their way through five stages, each with unique enemies and bosses. The game also features a two-player mode, where two players can battle each other in a single-screen arena. Chronos Twin features several different weapons, including the standard shot and a powerful charged shot. Players can also collect power-ups to increase the power of their shots and gain access to special weapons. The game also features a unique 'Chain Mode' system, where players can link together multiple shots to create an even more powerful attack. Chronos Twin is an intense and challenging experience, offering a unique and exciting take on the classic shoot 'em up genre. With its fast-paced action, intense boss battles, and unique weapons and power-ups, Chronos Twin is sure to provide an enjoyable experience for fans of the genre.