My Yatzy Dice Game app for iPhone and iPad

Players take turns rolling five dice. After each roll, the player chooses which dice to keep, and which to reroll. A player may reroll some or all of the dice up to two times on a turn. The player must put a score or zero into a score box each turn. The game ends when all score boxes are used. The player with the highest total score wins the My Yatzy Dice Game Game of 13 rounds. In each round, you roll the dice and score the result in one of 13 categories.You must score exactly once in each category, so skill and judgment are required as the game progresses and your options start to run out. The aim of the game is to make the biggest score you can from the 13 rounds.