The hypnotic glow of an arcade is an irresistible siren call. Beyond the gameplay itself, it is the masterful use of light and visual effects that forms the core of an arcade game's appeal, transforming a simple machine into a portal of excitement.

Firstly, light is a primary tool for immersion and atmosphere. A dark cabinet illuminated by a vibrant screen instantly creates a focused world. The cool blue glow of a racing game's cockpit evokes a futuristic speed, while the warm, fiery hues of a fantasy fighter transport players to a magical realm. Flashing lights synchronized with in-game events—a hit, a bonus, a warning—make the experience tactile and immediate, blurring the line between the player and the game world.

Secondly, visual effects are crucial for communication and feedback. In the chaos of a shoot-'em-up, the bright explosion of an enemy ship provides clear, instant gratification. The trail following a fast-moving character (motion blur) communicates speed and direction, essential for quick reflexes. These effects are a non-verbal language, telling players what is happening without cluttering the screen with text, ensuring the gameplay remains fluid and intuitive.

Furthermore, these elements are key to the iconic aesthetic of arcades. The radiant marquees and bezels of the cabinets themselves act as advertisements, each one competing for attention in a crowded room. This created a visual spectacle where the entire arcade became a canvas of light and motion, enhancing the social and energetic environment. This distinctive "retro" look, defined by pixel art, bold colors, and CRT scanlines, is now a cherished art style, with modern games emulating these effects to evoke nostalgia.

In conclusion, light and visual effects are not mere decoration in arcade games. They are fundamental to crafting immersion, providing clear gameplay feedback, and creating the unforgettable, energetic atmosphere that defines the arcade experience. They are the magic that turns pixels into passion.