Then they must choose one of their own Bakugan and throw them by aiming and steering to make them land where needed. At the beginning players place a gate card, which will land on the field. The battles in this game are different from the anime series and the general rules.

The game ends with the player throwing Leonidas in the air both of them shouting, 'Bakugan brawl!'. Later, the player discovers that Vladitor gave Leonidas his remaining power, saying 'he deserved it' which allowed Leonidas to return to the human world, leaving Leonidas to assume that Vladitor 'wasn't all bad'. After the player wins, both Vladitor and Leonidas disappear, Leonidas and Vladitor say that their time is up after the brawl. The player must win the Ultimate Battle Tournament, defeating also Dan, Runo, Marucho, Julie, Shun, Masquerade, and a 1-on-1 showdown with Omega Leonidas and Battle Axe Vladitor. At the end of a tournament when Dan makes the player an official Bakugan Battle Brawler, Marduk is revealed to have allied with Hal G, Masquerade and Naga in order to defeat the Battle Brawlers and rule over the worlds and the Bakugan. Right after Naga got the Silent Core, the seals that held Vladitor captive in the Doom Dimension suddenly broke and he escaped from the Doom Dimension. In several fights the player will meet a lot of people but at the same time a Darkus user, whose name is Marduk, Desires to rule over all Bakugan together with Vladitor, another Bakugan that suddenly appears. Leonidas is an unknown and aggressive Bakugan that was created by all the hate and anger of the lost Bakugan trapped in the Doom Dimension. (Leonidas' attribute depends on what attribute you chose). After going to the local store and meeting Alice, who suggests the player should battle with other brawlers in the park to earn BP (Bakugan Points, the game's currency) a strange Bakugan called Leonidas gets teleported to the park, who is now the new best friend of the player.

In all other versions, you get a Serpenoid, a Juggernoid, and a Saurus that match the attribute: Pyrus, Darkus, Haos, Aquos, Ventus, or Subterra you chose at the start of the game).

(In the DS version, you get a Pyrus Serpenoid to start off with. One day the player's character meets Dan Kuso, one of the Battle Brawlers, who teaches him the rules in a fight against Shuji.

Bakugan battle brawlers naga