Bomberman Wars (ボンバーマンウォーズ) is an entry in the Bomberman series of games. It was released for the Sega Saturn exclusively in Japan in 1998.
This one is makes a huge departure from other games in the Bomberman lineage - it is a tactical RPG. As it uses an isometric perspective, it is often confused with Saturn Bomberman Fight!!, released a year earlier which was also exclusive to Japan.