Hey there. If you have access to an iPhone, maybe look into Frotz. It is a player for a wide variety of interactive fiction text adventure games, and it seems to be accessible. (The same games can be played on a variety of devices, but I’m not familiar with the various programs personally.) You can browse through the game list from inside the app.
If you ever find yourself wanting to play a board or card game, try looking into
$1. You can play a selection of games online and chat with other players all over the world. The primary focus is accessibility, and they have self-voicing game clients available for Windows, Mac, and iPhone. Your husband would probably want to use the web client instead, since it actually has visible text and buttons in-line the standalone clients. It takes getting used to, but it’s totally playable either way.