Fun challenge for 2 players, challenge your opponent and answer correctly and faster.- Challenge for only the multiplication table you want.- Random challenge of any multiplication table.- Choose between 6 challenge modes 1) Time 3 minutes 2) Time 5 minutes 3) Time 10 minutes 4) 10x First player to get 10 correct answers 5) 20x First player to reach 20 correct answers 6) 30x First player to reach 30 correct answers- Choose between 4 background colors including night mode- funny sounds