Every Pokemon generation has that one gym puzzle that is incredibly difficult to solve. In Red & Blue, it was the teleporters in the Saffron City gym, while the tile puzzle found in Ruby & Sapphire's Mossdeep City gym also left plenty of players perplexed. Pokemon Brilliant Diamond & Shining Pearl continues this rich tradition, with Snowpoint City's ice-themed gym undoubtedly the toughest of the games' eight to navigate.