The dice casino game, explained in thirty seconds
Forget physical dice for a moment. The dice casino game in its modern online form is a number generator with a slider attached. Each round produces a random result somewhere in its range, and before the round you declare which part of that range you are betting on. If the result falls on your side, you are paid. If it does not, you are not. There is nothing else in the box.
That extreme simplicity is the point. Every other casino game buries its odds under artwork, animation and sequencing. Dice puts them on the screen and lets you drag them around. It is the closest thing the casino floor has to an honest diagram of itself, which is exactly why it is the best possible game to learn probability on - especially when, as here, the coins are virtual and losing costs you nothing at all.
It is also the fastest game in any casino, online or otherwise. There is no shuffle, no spin, no animation to sit through if you do not want one - just a result, immediately. That speed is a double-edged feature. It makes dice an outstanding tool for gathering data about how probability behaves, and it makes it a dangerously efficient way to lose money anywhere real money is involved. Here, only the first half applies.