Based on the half-century-old dice game, Electronic Arts' new Yahtzee ($5) puts players in charge of a cup full of five dice, which are rolled and re-rolled in an effort to get as many dice to match as possible -- five matching dice is a "yahtzee." You have three tries to roll as many of the five dice as you want, after which you pick a scoring category for your dice, and assuming you've selected properly, you get a score for your matches. If not,…