It discovers that video hides here, and add points, depending on the difficulty, each video will have a different value.
It uses the clues to recognize it. while less clues you use, more points you will win
It discovers that video hides here, and add points, depending on the difficulty, each video will have a different value.
It uses the clues to recognize it. while less clues you use, more points you will win
it's too hard. how can we guess it??