World Changing Logic Puzzle Create your own world with GeoLogic! Players begin with a 30-sided planet Core and 14 different biome Tiles. Each of the 60 Challenge Cards shows a different starting position for some of the biome Tiles, and players must figure out how to position the remaining Tiles in order to complete the planet's surface. A variety of environments in different shapes provide endless unique planet combinations-but each challenge has only one correct solution! Explore 60 beginner-to-expert world-building challenges with GeoLogic! Ages 8 to adult