When the total of the numbers written on the cards collected reaches 10, the card can be erased. Play until there are no more cards to erase, and the stage is cleared when the target is cleared. If the hand is full of cards or the target is not cleared, the stage will fail to be cleared. card match, brain game, puzzle game, matching game, number game, arcade game, 10, strategy game, mobile game, brain training, memory game, addictive game, easy to play, challenging game, online game, casual game, mental agility, problem solving