
A clean, minimalist table and a hand of tiles: Dominoes Classic brings the old board game to the browser with nothing between you and the play. You lay tiles so their spots match the open ends of the line and try to empty your hand before the opponent does. Skill and strategy count, though some luck always plays a part.
Three: Draw Dominoes, Block Dominoes and All Fives, the last also known as Muggins. They share the same matching rule, so switching between them is easy.
Going out first is good, but victory comes from reaching the target score, so steady play over several hands matters more than one lucky round.
Yes, because you choose the difficulty yourself. Start low, then raise it. Another calm tabletop pick is Backgammon Online.