Unravel the tangle of time.

Enter a new dimension where time portals collide and create sheer chaos. You are Sword, a great hero who can solve its mystery, and return its people to their right place in time.* Giant universe featured in full 3D graphics * Six main characters to choose from * Over 30 characters and 73 monsters to interact with! * Great VMU mini-games * Travel through a multitude of time periods

Source:

Back of Case - Dreamcast (US)