簡単かつハードモードで自分自身をテストし、お友達とあなたのスコアを比較する
If you went to elementary your teacher made you play this game at least once. If you are older and don't remember elementary, you most propably got drunk with this game.
Well now it's time to show everybody in the world that you are the best in this game.
Test yourself in easy and hard mode, and compare your scores with your friends or the whole world on the leaderboard!