C++ easily for any PC based gaming.

For Browser based games, I have a preference to PHP, far more relaxed and easy.

To be honest If you are experience in C++ you'll be able to get by start on a...

Do you have a style and story already set in place?

Dark Humour?
Epic Heroes?
Medievel? (sorry could never spell that word)

To go over what has already been said;

Speaking and Typing, even on the internet in full english, and not short hand, will be a great start. It doesn't show the best of impression, if that is the...

True, most of the low cost ones won't do exactly as you want, especially if it is as you said abit non-standard. But it will be an easier building block, to then add to it, than starting from fresh,...

well, the first thing you'll need to figure out is if you'll be going with a in-house game engine of your design (you'll need atleast 1 if not more very good programmers).

That option is tough,...