a+d+d+d (pronounced "add") 4x5 board, squares sequentially numbered 1-20 2 sets of pawns, 12 each 1 colored die 4 plain dice Roll the dice. Add the value of the colored die plus all, some, or none of the plain dice to total an unoccupied number on the board. (Pass if unable.) Place a pawn on the numbered square to claim it. The game ends when all squares are occupied. Points are tallied for each line of three or more pawns; the highest score wins. Devin Stewart is credited as the inventor; Kate Jones is credited with the solitaire games.