You can place the bottom domino on the grid by 2 ways:
- Drag the domino and drop it on the empty block.
- Touch directly the empty block.
Amazon Appstore: Dominoes Make 20: Math Game
Samsung Galaxy Store: Dominoes Make 20: Math Game
You will get bonus points when you make 2 20s of both column and row at the same time.
It is game over when there is no empty places in the grid to place the next domino.
Play, enjoy and have fun !