From the back of the box:
Unite as Heroes.
Fight as Warriors.
Live as Legends.
Get your team together for a fast-paced, hack'n'slash adventure. Now with Online Co-op, for the first time ever you can gather your team from anywhere in the Earth Realm!
Online multiplayer action lets you live the adventure online.
Team up for Co-op play in a world filled with ancient splendor and heroic action.
Hack, slash and combo your way through fierce battles and spectacular levels.