The method of clearing the nine-square grid in the third level of The Secret of the Room is as follows:

1. Click on the world famous painting. Pay attention to the second click to find the safe behind it. Then click on the piano and click again. Get it with the drum stick, then go to the sofa area and click on the tape to get tape 1.

2. Then click on the short freezer on the left to get a bucket of ice cubes. Then click on the tape player in the middle and select Tape 1 to play.

3. Get the guitar pick and chat history through the drawer on the right, return to the music room, select the pick and click on the guitar to get the guitar strings.

4. Go back to the closet wall, click on the locked drawer at the bottom, the password is 24120, open it and you will get a bottle of white rum.

5. Go to the bar, click on the extra area, get oranges, lemons, cranberries, mint leaves, get the hook behind the door, and then put the guitar strings, drum sticks, and hooks. Go up to get the fishing rod.

6. Learn the cocktail recipe and order from the poster behind the bar, and get orange peel, brandy, and soda water from the middle wine cabinet.

7. Then make a mojito in the bartending area. Select ice cubes, soda water, white rum, and mint leaves. Put them into the cup to get tape 2. Put it Put it on the tape player and learn that it has something to do with the pet snake.

8. Click on the little green snake in the box, choose lemon or orange to feed it, and then use the fishing rod to get the red heart block in the box. The symbol on it is the password of the safe. Open it You can get tape 3, and you can get simplified music score 33361 by playing it.

9. Go to the Become the Proudest Person area, complete the puzzle to get the piano film, put it on the piano to pop up the musical score, and finally get the key to complete the level.