時限爆弾ゲーム - 暇つぶし脳トレ

〜The rule is very simple!〜
You will be given random number. You and an opponent or a computer have to decrease 1 to 3 from the number alternately.
Finally, player who set the number to 0 is loser!

〜You can play 5 modes in this game〜
There are "EASY", "NORMAL", "HARD",
"EXPERT", and "2P".
"EASY" and "NORMAL" are very simple, but "HARD" and "EXPERT" are very difficult! Please make a strategy before challenging!
In "2P", you can play other person. Please play with your friends or your family!