From the box: The Beast Wars have begun! Choose side. Hand-pick your beasts. Now march them onto the mountain top. Advance . . . Retreat. When you come face to face with the enemy . . . ATTACK! Victory -- and defeat -- are in the cards. Use Secret Weapons . . . Energon . . . or Mutate your Beasts into more powerful Robots as you battle to be the first to capture your enemy's warriors -- or drive them over the mountain's edge! 24 beast cards, 72 battle cards, 3-dimensional mountain top and game board. Reads for 6 and up on the box. There is a little strategy when playing. Based in the Transformers Universe.