At Pocket Gamer Connects London 2015, Ian Hamilton gave a talk about designing games for people with disabilities.
Pointing out that a disability is merely the result of bad design - disability being when a medical condition comes up against a barrier that creates an obstacle in someone's normal routine - he called for designers to think more carefully about how they deal with accessibilty to games.
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Of course, the subject is a large one - ranging from vision to hearing, understanding and physical dexterity.
In this talk, Hamilton focused on the issue of audio.
You can see all our Pocket Gamer Connects London 2015 footage here.
For more resources about dealing with design considerations that can help your game reach wider audiences, check out gameaccessibilityguidelines.com.