In the door-to-door cleaning level of "King of Brains", a total of three cleaners come back. Players need to identify who is the real cleaner based on their clothes and the cleaning supplies they bring. The first and third are fake cleaning, don’t let them in, the second is real cleaning.
1. The player needs to click on the stubble, neck, and disinfectant of the cleaning aunt, and also pay attention to the mop in the aunt's hand, pay attention to the towel in the bucket, and do not allow him to come in;
2. A second cleaner will appear next. Click on the cleaner’s face , the wound on the cleaner’s leg, the shoe covers on the cleaning lady’s feet, and the gloves in the bucket, and then select Agree to come in;
3. Then a cleaning uncle will appear, first with a weird smile on his face. The wounds on the clothes on the shoulders. Also note the handprints on his legs;
4. Finally, pay attention to the pistol drill in the yellow barrel, and then choose not to allow him to enter.