Arcane Tower Defense is a great Tower Defense game for Windows Phone 7, and Graphic Stream Studios have decided to bring it to more people by developing and releasing a free version also.
The ad-supported game is not in marketplace yet, but MonWindowsPhone was given an early preview.
In the free game the user interface was updated, the game is more intuitive, and now also supports Mango.
The game now also has an online leader board and a version of achievements through OpenXLive.
Arcane Tower Defense now also supports Russian and Spanish, and feature a better French translation.
Read more about the updated software, which should hit Marketplace soon, at MonWindowsPhone here.