Set the board out and then place the Go Dotty tiles as seen in Fig.1, 2 or 3.
In this game the Go Dotty tile counts as a blank scoring tile. These tiles (in this game) are similar to the Block-Build tiles in the fact that they are numerically neutral, the difference is that any player can place tiles against them, and they can count as a scoring tile but only to the player with the same colour.
All other rules apply, so if you create a line-of-three with one of these tiles then the player with that colour (who scored the line) can’t build off it.
Fig. 1
Want something more challenging?
Same rules but different configurations
Fig. 2
Fig. 3