The game contains four levels, each with a different level of difficulty, and newcomers do not have to worry about the difficulty of getting started, because at first the system will provide players with a new tutorial. The tutorial is also very simple, at first you will enter a scene, then you will see an envelope, you need to do is click on the envelope, open the contents of the letter, you will find the contents of the letter on the seal out of a key, this time the system will prompt you what to do next, the use of this key is to open a box, but you can not see the box on the keyhole, so you need to twist the box until the keyhole is exposed. So you need to twist the box until the keyhole is exposed, then you can open the box, you will find a mirror and a card inside, but it is strange, the mirror does not have a lens, you can put aside first, first look at the content of the card, it may be a riddle, and you also need to pay attention to the box around the existence of some elements, these elements and the riddle is related, you need to combine the two in order to guess the final You need to combine the two in order to guess the final answer.

When you guess the answer you will be able to get a key, if this is amazing, it can change shape at will to open different keyholes, then your goal is to find the lens of the mirror. When the player gets a complete mirror can go through it to complete some tasks, such as the discovery of some patterns, and these patterns can be pieced together. Your first level is successfully cleared.

In short, the box is crucial in each level, it can provide some valuable tools or information to you, but the later levels will become more and more difficult, perhaps a box on top of many locks you need to unlock, do you have the confidence to complete?