1. After the monster is destroyed, the key can be unlocked and the hostage can be rescued in time.

2. A large number of levels can be passed, and a wealth of props can give you some hints when you are at a loss;

3. Brainstorm, use your head, don't limit yourself to the predicament of thinking, challenge the height of the brain;

4. When you encounter a level that is difficult to break through, reverse thinking may help you and open up your imagination;

5. Players also need to pull different needles correctly to compare their thinking ability.