Super Robot Wars (スーパーロボット大戦 Sūpā Robotto Taisen) is a series of tactical role-playing video games. Starting out as a spinoff of the Compati Hero Series, the main feature of the franchise is having a story that crosses over several popular mecha anime, manga and video games, allowing characters and mecha from different titles to team up or battle one another. The first game in the franchise was released on April 20, 1991. Later spawning numerous games that were released on various consoles and handhelds. Due to the nature of crossover games and licensing involved, only a few games have been released outside Japan, and in English (early English-language games only feature original characters and mecha, and a flagship installment were to never be released until 2016, with the English release of Super Robot Wars V in Southeast Asian countries). The franchise celebrated its 25th anniversary in 2016.