Arcade game machines have evolved significantly over the years, with display technologies playing a crucial role in enhancing the gaming experience. The most commonly used display technologies in arcades include:

1. CRT (Cathode Ray Tube): Traditional arcade cabinets often used CRT monitors, known for their deep blacks, high contrast, and fast response times. These were ideal for classic games like Pac-Man and Street Fighter.

2. LCD (Liquid Crystal Display): Modern arcades frequently use LCD screens due to their slim profile, energy efficiency, and sharp image quality. LCDs are common in newer arcade machines and redemption games.

3. LED (Light Emitting Diode): LED displays offer vibrant colors, high brightness, and longevity. They are often used in large-scale arcade setups or for dynamic lighting effects.

4. Projection Displays: Some arcade games, especially racing or flight simulators, use projection technology for immersive, large-screen experiences.

Each technology has its strengths, catering to different gaming needs and eras. While CRT remains nostalgic, LCD and LED dominate contemporary arcades for their versatility and performance.