Trioncube is a puzzle adventure game for the Nintendo DS in which players control Penko, a spaceship captain. Players embark on a quest to rescue a princess captured by the antagonist Hell Metal, exploring eight unique planets. Gameplay revolves around forming a Trioncube from 3x3 blocks to trigger chain reactions, restoring the spaceship's energy for the challenges that lie ahead.
In Trioncube, the player must embark on a journey across eight planets into the depths of space, as the captain of the mighty space ship Penko, to rescue the princess from the grasp of Hell Metal. Players reach this goal by creating a Trioncube - a series of 3x3 blocks, which start a chain reaction that refuels the space ship.