Pokémon Conquest known in Japan as Pokémon + Nobunaga's Ambition (????+??????? Pokemon Purasu Nobunaga no Yabo) is a 2012 tactical role-playing video game developed by Tecmo Koei and published by The Pokémon Company and Nintendo for the Nintendo DS. The game is a crossover between the Pokémon and Nobunaga's Ambition video game series. The game was released in Japan on March 17 2012 in North America on June 18 2012 and in Europe on July 27 2012. The player accompanied by an Eevee travels throughout the Ransei Region (????? Ranse-chiho) befriending Pokémon and battling Warriors (???? Busho) and Warlords (???????? Busho Rida) to conquer and unite the region; Warriors and Warlord Leaders can join the player's party once defeated allowing the player access to more Pokémon. The gameplay is turn-based strategy and is a tactical RPG unlike the main-series Pokémon games with different Pokémon capable of using different attacks and means of movement. Warriors and Warlords also have unique battle-changing powers that boost their Pokémon's abilities but may only be used once per battle. These effects range from increased attacking power health restoration or even temporary invincibility.