Alright guys!
Invitations are no longer required to play DR!
It's easy now!
Visit the store at Plaync.com
https://secure.plaync.com/cgi-bin/Store.pl
(Don't worry you dont have to pay for anything!)
Click Dungeon Runners Get Now FREE!
Next sign into your PlayNC account.
You will be given a Serial Code and next you must go to your account and click Add Game.
Enter the Serial Code and now you have the rights to play Dungeon Runners and Download the Game!
Have Fun!
P.S. Spread the word!