Following the conquest of the Shakun Star, galactic conqueror Dark Force sets his sights on the planet Earth. Sharkungo flees to warn the humans before the arrival of the invasion force, thus beginning a journey across the planet to collect allies from across the Extrapower series to protect the Earth and bring an end to Dark Force's ambitions. Over 20 heroes are playable across 53 episodes a strategy RPG styled after tokusatsu, anime and manga.