TRIANGLE WAR

The video likely worked due to the engaging nature of the game, the visible scorekeeping, and the clear winner at the end, creating a satisfying narrative arc for viewers. The fast-paced gameplay and reactions of the players also contribute to viewer retention.

Two people play a game called Triangle War, where they take turns placing pieces on a hexagonal board. The game appears to be a competitive strategy game with a scoring system. Casey ultimately wins the game.