Those who are registered on aeria games might have been invited to cb, like me, by e-mail.
Those who didn't, there might be a chance also for you,if you register and get
To register, go
Then go , and click on BETA sign up click here
then login and enter the cb key - from the links listed
, download client ( 2Gb size), the best is bigdownload mirror, I downloaded it in ~20 minutes ^^
You can watch this video as an example
screenshot that I made in game -