Designing an arcade machine for casual players requires a focus on accessibility and immediate enjoyment. The most crucial factor is intuitive and simple controls; complex button layouts can be intimidating. Games should feature easy-to-understand mechanics with minimal learning curves, allowing anyone to start playing instantly. The cabinet itself must be visually appealing with bright colors and clear instructions to attract attention. Comfort is key, with ergonomic considerations for standing players and adjustable components where possible. Incorporating social elements like multiplayer modes or score sharing enhances the experience, encouraging group participation. Finally, maintaining the machine for reliability ensures a positive and frustration-free experience, keeping casual players coming back for more fun.