<human>:  How many levels of the game ‘Dungeons & Dragons’ are there?
<bot>: There are three main levels: First, Second, and Third. The first level is the beginning of the game. Players who have not played before can start at the first level. The second level is the mid-point of the game, where players are introduced to the game’s rules. The third level is the end of the game, where players get to choose their own character and go on adventures.