I’m a sucker for cheap indie game bundles and here’s a $5 one I just bought. It has the following games: Delve Deeper, Spring Up Harmony, Mactabilis, Steel Storm: Burning Retribution and Digitanks.
I already have Delve Deeper thanks to a Steam Sale but I was interested in Steel Storm so this bundle is a cheap way of getting that game and a few others too. Some of the games even have Mac and Linux support!