Video game genres categorize games based on their gameplay mechanics, themes, and objectives. Common genres include Action, Adventure, Role-Playing, and Simulation, each offering unique experiences and challenges for players. Within these genres, subgenres further refine the gaming experience. For instance, the Action genre can include Platformers, where players navigate levels by jumping between platforms, or Shooters, which focus on combat and precision. Understanding these genres helps players find games that suit their preferences and play styles.