There are lots of browser-based games.
Not talking about 3D-shooters in canvas, but interface-based games like OGame, ad2460, or even some online-poker.
Maybe look at those.
I don't see how this would be fundamentally different than any other web-app.
My point being: Unless it's some fancy action-game, you can certainly develop it using web-dev-tech.
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There are lots of browser-based games.
Not talking about 3D-shooters in canvas, but interface-based games like OGame, ad2460, or even some online-poker.
Maybe look at those.
I don't see how this would be fundamentally different than any other web-app.
My point being: Unless it's some fancy action-game, you can certainly develop it using web-dev-tech.