入門簡單，變化無窮的遊戲！
一位一年級的小學生，想著怎麼學加法？
我想要一種遊戲，在遊戲中學習！
一位三年級的小學生，想著九九乘法怎麼學起來？
我想要一種遊戲，在遊戲中學習！
兩位80歲的老爺爺、老奶奶，想著如何讓腦袋不退化？
我們想要一種遊戲，在遊戲中學習！
一群人聚在一起，想著怎樣炒熱派對氣氛？
我們想要一種緊張刺激的派對遊戲！

If you ask a 1st grader, how does he like to learn? 
He should say, learning by playng.
If you ask a 3rd grader,  how does he like to learn? 
He would also say, learning by playing.
Then you can ask 2 eighty something grandma, grandpa, 
how to maintain their brains bright and sharp? 
They would definitely say,
we want a game, learning through playing.
As for a gathering party,  how are you firing up the exciting ambiance? 
We want the thrilling party game- Just play 99!

遊戲目的
快速有趣學習到九九乘法、加法、減法、除法。
活化大腦，反應能力學習。

卡牌數量
☀數字牌：81張牌。
☀加減乘除牌：加減乘除牌各兩張牌，8張牌。
☀共89張卡牌