Sentence:  Women tend to look for the emotional draw of a game, which depends on a good storyline, or a complex plot, or a deeper experience with the characters—things male gamers don't necessarily seem to need or want. Games that provide opportunities to connect to other players, that have a social component, or that foster cooperation among the characters or players—all reasons why women are so fond of massive multiplayer (<WSD>MMP</WSD>) games—are particularly appealing. 
Meaning of the word marked with <WSD> tags:  Massive multiplayer.