Arcade game developers prioritize accessibility and inclusivity to ensure their games can be enjoyed by a diverse audience, including players with disabilities. Testing methods include:

1. User Testing with Diverse Groups: Developers collaborate with players of varying abilities to identify barriers and refine controls, visuals, and audio cues.

2. Color and Contrast Adjustments: Ensuring readability for colorblind players by avoiding problematic color combinations and offering high-contrast modes.

3. Customizable Controls: Allowing remapping of buttons or support for adaptive controllers to accommodate motor impairments.

4. Subtitles and Audio Alternatives: Providing captions, visual cues, and adjustable sound settings for hearing-impaired players.

5. Difficulty and Speed Options: Including adjustable difficulty levels or slower gameplay modes for cognitive or motor challenges.

By integrating these practices, arcade developers create more inclusive gaming experiences, fostering a welcoming environment for all players.