Everything is very simple.
Click on the door, try to guess whether it is open or not.
Each level has several rooms. To complete the level, you must guess all the open doors that will lead you to the next rooms.
Try to gain as many Levels as possible.
วิธีเล่น
on the computer: Press right mouse button, on the door.
On mobile: pressing your finger on the door.
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Green light from the lamp - the door is open.
The lamp is red - the door is closed.
To complete the entire level, you need to open all the doors without making a mistake.
By opening 2 doors in a row without making a mistake, you get an extra point (marked as a heart).
One point allows you to ignore one mistake when opening a door.