Kaijuu Senki is a tactical rpg game in which the player takes the role of a man in a fantasy world that defies a demon in a monster battle game, the game is divided in different stages in which the player have to defeat different monsters that the Minotaur uses in each level to advance in the game. The gameplay is a tactical rpg since the player got a limited number of units and each unit got a limited range of movement for each turn, to win each stage the player has to defeat all the enemies of the stage.