[orca-list] recommended keys to control character in online game with orca?

[cesar pachon <cesarpachon gmail com>]

hello, I am working on an academic project that is an online accesible game. I designed a menu that uses wai-aria live region to speak out the commands to move a character in the world (north, south, east, west). I pretended to use the arrow keys (up, down, left, right) to interact with the menu, but I noticed that they are already taken by Orca.

what are the recommended keys to use for custom needs, so they don't clash with by-default orca settings?

I highly appreciate any suggestions and comments,

Cesar  Pachón
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www.cesarpachon.com, just a digital hermit