Bighead Run offers players an engaging gameplay experience where they strive to become either the smartest or the biggest. In this game, the objective is to collect books to enhance intelligence while engaging in healthy activities. Players must avoid picking up bottles, using phones, and consuming junk food to progress effectively.

The game provides simple and intuitive controls, allowing players to navigate effortlessly. Additionally, players can ride a bike to gather more wheels and expand their size. However, they must remain cautious of the obstacles that may obstruct their path. Will you dominate the game to become the smartest or the biggest?