Contents
* Click the Login button and enter your name.
* You are ready to start the game.
* Click the Start button.
* After the start button, you can select the mode.
* Then, select the category.
* First, do rock-paper-scissors to decide order.
* Choose a number you want
* Solve a problem according to category you chose
* If you get the right answer you can delete the number
* also you receive one more chance to pick a number
* If you wrong answer, your turn goes to opponent then
opponent have a chance to solve that problem.
There are three item functions
* Freeze the opponent's bottom line
* Erase the cell randomly in your bingo
* Randomly revive the cell that the opponent cleared
* Item 1) Freeze the opponent's bottom line
* Item 2) Erase the cell randomly in your bingo
* Item 3) Randomly revive the cell that the opponent cleared
There is a mission function
* To win game, you have to erase the cell to match the mission