ACHIEVEMENT - HOW TO UNLOCK All the Sixes (20 points) - Get a Yahtzee with all sixes. Dice Time (20 points) - Clock up over an Hour of playtime in Yahtzee. For the Win! (10 points) - Win one game of Yahtzee against a friend. Ground Floor Apartment (10 points) - Roll a Full House using only 1's and 2's. High Chance (25 points) - Fill the chance Total with a score above 24. High Roller (15 points) - Roll 3 Yahtzee's in one game. I Only Need One... (30 points) - Roll a Yahtzee, Full House or Large Straight on your first roll. Infinite Win (40 points) - Win 50 games of Yahtzee. Papa needs a new pair of shoes (10 points) - Shook the Yahtzee dice for longer than 10 seconds. Real Small (20 points) - Roll a small straight starting with a 1.