Yahtzee

Using JavaScript Pseudorandom numbers.
Download the Random.org extension for Google Chrome to get true random dice.

Using true random numbers from random.org.

Rolls Left
Dice Total

All Time High Scores

Weekly High Scores

Color code upper section:

Show potential points for each slot
Offer basic hints for possible mistakes
Enable keyboard shortcuts

Show dice animation

Use random.org if possible (requires the random.org extension)

Your current game will be lost.