Touch Arcade:

The entire Infinity Blade trilogy has just all gone free. While you could have gotten the various games in this notable franchise for free at various points, right now on July 4th you can get all 3 games for free. These games were all must-play titles when they released, and if you haven’t checked them out, or only played one or two entries in the series, then here’s your chance to complete your collection for free.

I’m not a huge fan of this style of game but the original was a great way to show off the iPad when it first came out.