Bungie Studios’ community director Brian Jarrad said “It’s exceeded our expectations. Out only real perspective going into this was the ‘Halo 3’ beta test which had about 800,000 people.”
That’s a pretty nice leap. But they found a bunch of little bugs here and there that need to be fixed before the game’s release. A lot of issues dealt with rechargeable powers that players can harness such as superspeed, flight and invisibility. But you can find out more about that in the All You Need to Know session.