Bulls and Cows

Features:
• The game is free and contains no advertising.
• The game has a table of records.
• Every day, new records are added to the table (daily records). These can be disabled in the settings.
• You have to guess the number in 5 minutes and 16 moves. When the time is up, you can still go on, but you get points.

How to play:
In this game you have to guess four-digit number, conceived computer. Once you have entered a number, the computer checks it. If your number is a digit, matched with any numeral in unknown number, but standing in the wrong place, it is a cow (K). If the figure is in the same place, as in unknown number it is a bull (B).

Example: unknown number in 1542.
You entered 1234.
Computer writes:
1B (the number "1" in its place)
2C (the number "2" and "4" out of place).

The figures include the same can not be!