Direct portal to Camp Darfur here.
Now if I were to build a virtual Darfur, I think it would include a target range for taking potshots at the virtual janjaweed, and paying L$ into the tents would send those funds via Paypal to Doctors Without Borders, and somehow, every visit would be registered on a medic's battered laptop in a dusty refugee clinic, so that the patients gathered around it would know when someone in the world had spent even a few seconds out of their day thinking of them.
But this, this is definitely a start.
More images after the break. Thanks to Haney Heaney of Omidyar.net for the tip.