The Pokemon series has developed a reputation for inconsistency over the years. However, one aspect of the game where fans have come to expect consistency is within the rosters of new Pokemon introduced in each generation. Game Freak always does a tremendous job of offering new and exciting creatures for players to catch and train. That's not to say that there are never any duds. Every rule has its exceptions. But overall, the Regional Dex of each generation is one of the highlights of the game.