Why it worked
This video likely worked due to its engaging and visually interesting gameplay. The use of colored liquids and the suspense of the tic-tac-toe game create a captivating experience for viewers, encouraging them to watch until the end and potentially subscribe for more content.
Summary
A man and a woman are playing a game of tic-tac-toe using bottles of liquid. The man is adding black liquid to bottles, while the woman is adding clear liquid. They are taking turns placing bottles on the tic-tac-toe board.