How do you play electronic Yahtzee flash?

There are 4 games on the electronic Yahtzee flash. Game 1-3 are single player. Game 4 is at least 2 player.

Game 1) Basically 1 person Poker.

Game 2) Try to match up as many numbers as possible. For example you want to get 5 sixes.

Game 3) Try to get a Yahtzee in as little time as possible.

Game 4) Try to get Yahtzee before time runs out then pass to the next player. If you don't get Yahtzee before time runs out then your out and its the next players turn. This keeps going until someone wins