During the endgame many websites are appearing. This is an attempt to keep track of them.
This list contains only official websites that are public. For fan websites please check the Fan-made Websites list
This is the website with the official rules of Endgame
This is Endgame
This website had a countdown for october the 7th. It acted as a front for a promo of the book.
Now it will just direct you to Epic reads abou the endgame series.
Official German Website for Endgame
A website where you can see a live stream of the gold at Caesars Palace in Las Vegas, Nevada
There was also a official unveiling made by James Frey