A game controller is a device used to interact with video games. It typically features buttons, joysticks, and triggers that allow players to control characters and navigate game environments. Game controllers can be wired or wireless and are compatible with various gaming systems, including consoles, PCs, and mobile devices. Different types of game controllers exist, such as handheld controllers, arcade sticks, and racing wheels. Some controllers are designed for specific genres, like first-person shooters or sports games, enhancing the gaming experience. Many modern controllers also include features like vibration feedback and motion sensing for more immersive gameplay.