Wow, this game is really bad. Just get Dungeon Defenders or Sol.

steampowered dungeon defenders forum

Visit Trendy Forums for Dungeon Defenders - Steam Users' Forums.
Turns out D2D jumped the gun and released it early, the devs say they want you to release it now as well! Get on it Valve! Dev post.
I don't think Dungeon Defenders will go retail. It's an indie game, they don't have a publisher doing that for them. Digital distribution is way.

[SteamPowered.com] Dungeon Defenders Updated - Mr. Green.

If you have Dungeon Defenders, be sure to click the green "install" (or was is " play" ? I'm not sure). http://store.steampowered.com/app/202521/ (mission pack ).

forum defenders or dungeon defenders. - Steam Users' Forums.

steampowered dungeon defenders forum

i can't play dungeon defenders on my mac - Steam Users' Forums.
Dungeon Defenders Lost Eternia Shards Complete DLC on Steam.
LOL Dungeon Defenders Freee? - Steam Users' Forums.