Crack the code is a really fun game and it helps you to practice your logic and understanding. It's like decoding a message from an encrypted with the help of a key. From 2 Circle you need to select the character as it is displayed in hint lock it. When you lock it will become your key and then you need to follow other characters with the inner circle and one by one you will decode the full message. This is a unique puzzle game. It can improve your IQ level by practicing logic. It has the following features.

-Find the key and lock it
-decode the message using the key