To open the door and escape from the room in the game featuring Plasticine men, follow these steps:

1. Explore the Room: Begin by thoroughly exploring the room where dad and Liza are trapped. Look for clues and items that might help you solve the puzzles.

2. Find the Differences: The game incorporates a "find the differences" element. Carefully compare different scenes or images within the room to spot the differences. These differences often provide hints or keys to solving the puzzles.

3. Solve the Puzzles: Use the clues and items you find to solve the various puzzles. Each puzzle you solve will bring you closer to unlocking one of the 12 locks on the door.

4. Unlock the Locks: As you solve puzzles, you'll gain access to keys or codes needed to unlock the 12 locks. Make sure to keep track of your progress and use the items you collect wisely.

5. Escape: Once all 12 locks are opened, the door will unlock, allowing dad and Liza to escape the art gallery.

Game Features:

• Plasticine Graphics: Enjoy the unique and charming visuals made from plasticine.
• Funny Music: The game includes amusing background music to enhance your experience.
• Themed Rooms: Explore various themed rooms such as retro cars, the Middle Ages, animals, space, and more.
• Various Puzzles: Engage with a wide range of puzzles that challenge your problem-solving skills.
• Combination of Genres: The game blends the popular genres of "room escape" and "find the differences," offering a unique gaming experience.

By following these steps and utilizing the game's features, you'll be able to help dad and Liza escape from the art gallery.