This is a number game called Black Hole.The players are going to take turns placing numbers, first 1 then 2 all the way up to 10, at the end of the game there will be one field left on the board, this is the black hole, it pulls in all the numbers around it, the player with the least amount of numbers pulled into the black hole is the winner.You can play against the phone or with another, either locally or online.