A Perfect Rock is a sci-fi exploration TTRPG about the search for a new home. Play as explorers on the last starship of a lost civilization, traveling to distant stars and exploring strange and deadly planets. This solo or GM-less game features a unique tactile mechanic: players use real rocks to represent the planets they discover, influencing the worlds environment and danger. Designed for 1-4 players, it is a one or two session narrative experience focused on worldbuilding and finding a new home.