Why it worked
The video likely worked due to the visual appeal of the gummy bear-shaped bottles and the engaging, simple gameplay of tic-tac-toe, which is universally understood and relatable. The exaggerated reactions of the players also add to the entertainment value.
Summary
Two people are playing a game of tic-tac-toe using gummy bear-shaped bottles filled with liquid. They take turns placing their colored gummy bears on the board, with one person using red and the other using green.