Board Thread:General Discussion/@comment-198.7.235.89-20130109033112/@comment-5067531-20130109082401

Nope, the game is saved on the server, which can be considered safer than a hard drive, at least in my eyes.

I you can, however, download PTD at Sam's blog(http://samdangames.blogspot.com/) to play it online, PTD2 isn't available to download yet though.