Live race
Fastest solve wins
Both players get the same board. First to complete it wins.
Setup
Live race
Both players get the same board. First to complete it wins.
Setup
Solved
The rows and columns all add up.
How to play
Place each demino over two grid squares. Make every row and column add up to the target numbers around the grid.
Double tap on phone, or double-click on laptop, the top number of a vertical demino or the left number of a horizontal demino to flip it.
Double tap or double-click the other half to orient it.
Press and hold, then drag, to move it onto the grid, around the grid, or back to the holding area.
In live games, both players race on the same board and the first completed board wins.
You can also use the buttons if you prefer.