Water fill filter 😭

The video likely worked due to its engaging and challenging puzzle format, presented in a visually appealing and concise manner typical of short-form video content. The "filter challenge" aspect and the relatable "so hard" sentiment likely resonated with viewers, encouraging shares and replays.

The video presents a water fill filter game where the user must fill an 8L bottle using 5L and 3L bottles. The game progresses through several steps, showing different stages of filling the bottles.