I just thought of something: you don't need to emulate the GM. You can be the GM, and emulate the players. This should be much simpler, as the range of responses of characters is much more restricted than the range of responses of the GM.

I just thought of something: you don't need to emulate the GM. You can be the GM, and emulate the players.  This should be much simpler, as the range of responses of characters is much more restricted than the range of responses of the GM.

You can pick any old module and emulate a PC party.

What do you think?