From ebgames.com:

Digimon Rumble Arena leaps onto the Xbox with a flourish! Play as one of over 40 characters in this fast and furious fighter. Battle your way through icy glaciers and across fields of fire in this digvolving contest of skills.

* More than 40 playable Digimon forms - each with unique attacks. * Featuring your favorite Digimon from all 4 TV seasons. * Single-player and multiplayer modes. Trounce the competition in 4-player brawls. * Collect Digipoints to Digivolve and destroy your opponents.