Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: Another joyful encounter in Tribez &amp; Castlez! I just met Bartolomeo! Do you want to know who that is? Download the game and find out!
This tweet contains emotions: 
joy