Jatzee is a free browser based dice game modeled on Yahtzee. Players roll five dice for up to three rolls per turn, then score the result in one of 13 categories, each of which must be filled once. The game can be played on a phone, tablet, or computer without downloading the game or creating an account. Available modes include solo play, a game against a computer opponent, online matches with friends, and a daily challenge. For online matches, a player creates a room and shares its four letter code or invite link; participants play in real time with live scores and emoji reactions. The daily challenge gives all players the same dice and allows one attempt per day. The computer opponent selects dice to keep and scoring categories using a strategy table based on research into optimal solitaire Yahtzee play. Jatzee tracks personal statistics such as high scores, averages, win streaks, and Yahtzee rolls. Players can earn trophies to unlock themes, and the site can be added to a device’s home screen for offline use. It also provides rules, strategy guidance, probability tables, and a printable score sheet. Jatzee is an independent game and is not affiliated with, endorsed by, or sponsored by Hasbro.