Grandia: Parallel Trippers is an action role-playing game for the Game Boy Color. Players control Yuuhi as he embarks on a quest to return home by acquiring three keys scattered across various regions. These keys are essential to break the seal of the Tower of White and confront Gurgan, the antagonist behind Yuuhi's transportation to this unfamiliar world.
This is the story of Yuuhi's journey to return home. To do this he must obtain three keys from different areas of the world so that he can unlock a seal in the Tower of White. The evil Gurgan, who is responsible for Yuuhi's appearance in this new world, must be defeated!