Game controllers are devices used to interact with video games. They typically feature buttons, joysticks, and triggers that allow players to control characters and navigate game environments. Common types of game controllers include handheld controllers, arcade sticks, and motion-sensing devices. These controllers connect to gaming consoles, computers, or mobile devices, enabling players to enjoy a wide range of games. Popular brands include Sony's PlayStation, Microsoft's Xbox, and Nintendo's Switch. Each brand offers unique controllers designed to enhance the gaming experience, catering to different preferences and play styles.