The way players control and interact with their characters is fundamental to creating an engaging gameplay experience. Character mechanics encompass everything from basic movement to complex abilities, giving players a sense of agency and connection to their virtual persona. Each mechanic, whether it's running, jumping, or engaging in combat, adds layers of depth and immersion to the game world, influencing how players interact with environments, overcome challenges, and engage in strategic play. This chapter introduces the techniques and systems that allow players to control their character’s physical actions and abilities, enabling dynamic interactions with the game world.