Introduction - If you have any usage issues, please Google them yourself
CMD mode, typing games, the whereabouts of four random numbers are not the same as the first letter of the figures, from the keyboard to type the number that corresponds to elimination of the corresponding column, if the input error in the input corresponding number to enter the correct number can be arbitrarily a number fell to the bottom of the screen the game is over. Specify: The keypad input is not supported, the higher the level the longer the random number, the faster the whereabouts.