Open Safe

Open Safe: To open a safe you should guess a four-digit code in a given number of tries. In the Beginners level after each try digits will change color to: Red – if the digit is not used in this combination. Yellow – if the digit is in the code, but in a different position. Green – if the digit is in the correct position. In Expert level after each try you will get: Green number – indicates how many digits are in the right position, Yellow number - indicates how many digits are used in the code, but in a different position.