1893: A World’s Fair Mystery
Not super familiar with this one, actually! It's actually a pure interactive fiction game, which means full text entry with some supplementary graphics. It's also older than most of these, having been published in 2003.
The Sea Will Claim Everything
A brand new game from Jonas Kyratzes. Haven't gotten a chance to try it yet, but the art style is nice, and a brand new title in this bundle is a pretty decent deal. If you pay higher than average, you also get:
Yes, yes, zombies are the "in thing" right about now, but Metal Dead is a much more cartoonish, far sillier take on the topic than even something like Shaun of the Dead. It's quite dark and violent though, of course, with a healthy sprinkling of heavy metal stereotypes.
At any rate, every title in this package (the ones I've played anyway) all come very much recommended, making this an almost absurdly good deal. The only really major indie adventure game that I can think of that's missing are the entries in the Blackwell series, but one of them just came out a few months back, making it a bit too new. (Some of the entries were featured in another bundle not too long ago as well. They're also definitely worth grabbing regardless.)