Yup.
The server did crash at the event though but they did some tweaking and had it up again shortly after.
Gotta remember Minh Le is the creator of Counter-Strike, a game that pioneered FPS gaming for countless years and some would argue it still does, it is great to see such a visionary programmer trying to achieve something unique again, trying to set the mark for how many players is actively playing together at the same 'spot' and at the same time is definitely a wet dream for many gamers.