“Earth Taboo ‐ GeoWonders” (or Taboo di Terra ‐ GeoMeraviglie) is a serious educational game aimed at engaging high school students in understanding the role of geosciences and natural phenomena in shaping the planet, while providing a fun and interactive learning experience. Inspired by the classic word game “Taboo”, players guess geological terms based on clues without mentioning certain forbidden words. The game unfolds in two phases. In the first, students are guided by geoscientists to guess terms from three thematic categories: “Phenomena”, “Earth”, and “Society”. Teams earn points for each correct guess, creating a competitive yet educational environment. What sets Earth Taboo apart from traditional Taboo is its second phase, which centers around a discussion of “unexpected” or...