Appnr

4digits

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A guess-the-number game, aka Bulls and Cows

4digits is a guess-the-number puzzle game. It's called Bulls and Cows,
and in China people simply call it Guess-the-Number. The game's
objective is to guess a four-digit number in 8 times using as less time
as possible. It is similar to Mastermind, but the four digits are
different to each other. 4digits has both graphical user interface
version and textual user interface version.