BigGrid V2.0 is a evolution of our very old BigGrid. One of the comments was that it didn't have any rules to word selection, so that's been fixed in this version, see "Game Rules" on the about dialogue.
This version has a better UI, the ability to save and load games to pick off from where you left off and a larger dictionary than the previous version.
We'll have more, improved and fun games for you to play soon so check out our website, see below for link.