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 [...]
The story of Phantasy Star Online is unrelated to the original Phantasy Star series,[10] and is less substantial.[8] Threatened by the imminent destruction of their home planet, thousands of refugees arrive at planet Ragol aboard the spaceship Pioneer 2. [...]
