Pokémon Conquest ( ポケモン+ノブナガの野望, Pokemon Purasu Nobunaga no Yabou, Pokémon + Nobunaga's Ambition) is a spin-off crossover game between Nobunaga's Ambition and Nintendo's Pokémon franchise by Satoshi Tajiri and Ken Sugimori. The game was released on March 17, 2012 in Japan and is set for a North American release on June 18, 2012.