Dolphin Dice 2000 is a variation on Yahtzee that uses six dice instead of five. Dolphin Dice 2000 is an interesting take on the game of Yahtzee. Dolphin Dice uses six dice to roll instead of the customary five. You are also given a limited number of re-rolls that you can use at any time. You don't have to start over from scratch after three rolls. If you're working on that Yahtzee, maybe you don't want to give up until you get it. Just don't use up all your re-rolls. Dolphin Dice features sleek 3D graphics and a friendly interface. The game ends when you either fill up all the locations on your scorecard or you run out of rolls.