Domino Block is the 'block' variant of dominoes: unlike the draw game, there's no boneyard to take from — if you can't play, you pass. That makes counting what's been played far more important, because the way to win is often to leave an end nobody can match.
It offers multiplayer, a computer opponent and a challenge mode, so there's a version for whichever way you want to play.
A variant with no boneyard: if you can't play, you pass rather than drawing. That makes tracking which numbers have been played the central skill, since winning often means blocking the opponent entirely.
The game is blocked, and the player with the fewest pips left in hand wins the round.
Yes — tap to place tiles. Nothing to install.