Bulls Cows Code Breaker

Bulls Cows is a number guessing game. In some countries is played with colors but in this version you must break the code. At the start of the game, android generates a random number. You must guess this number. Everyone of your choices gives you bulls and cows. Every bull is a guessed digit in the original number and every cow is a guessed digit but misplaced. For instance if the random number is 259 and you guessed 329, result is 1 Bull (digit 9) and 1 Cow (digit 2). Try different difficulties and enjoy!