Will you become the hero of Math Kingdom? Use your Plus and Minus math skills to add and subtract across the board and answer as many addition and subtraction questions as you can! Play the game against the computer or against a friend! Features of the board game include: - The option to play a game with addition or subtraction (plus or minus) or both - The option to play at specific difficulty levels of addition and subtraction, from beginner math learners to young experts! - Timed questions,