Gameplay mechanics are the rules and systems that govern how players interact with a game. They define the actions players can take, the challenges they face, and the rewards they receive. Examples include jumping, shooting, and collecting items, which create a framework for player engagement and strategy. These mechanics can vary widely between genres, influencing the overall experience. For instance, in a platformer, precise jumping mechanics are crucial, while in a role-playing game, character progression and decision-making mechanics play a significant role. Understanding these elements helps designers create compelling and enjoyable gameplay.