Phantasy Star Online Episode I & II

From the GameCube back cover:
"The Darkness has Returned

The planet Ragol is once again in peril. New character classes and weapons are at your disposal, but only your skills as a Hunter will keep you alive. Brave the depths of evil alone, or enlist the aid of three other Heroes in split-screen play. Once you have conquered the darkness, go online and take your experience to the next level. However you choose to play, know this: Evil has returned to Ragol, and a new adventure awaits."

Create your own character from one of three races (Android, Human, or Newman) and choose a class (Hunter, Ranger, or Force type) to journey through the new world of Ragol. Play with up to 3 other people. Progress through 4 difficulties and complete side quest story lines to unlock better items.