Pandemic Legacy is, at this writing, the best board game ever made. That's not my judgment—it represents the collective wisdom of Board Game Geek users, who have and have rated Pandemic Legacy the best of the lot.
A board game here is defined as any game in which pieces are placed on or moved around a flat surface, such as a board. This would include classic centuries-old board games such as Go, Chess, and Checkers, along with more modern games like Settlers of Catan, or even some role-playing games involving game pieces or miniatures. What are the best board games ever? What's the best ? What's the best board game for groups?