Fancy these Indie games for a GREAT price, then check out the Indie Jam bundle from Bundle Stars. This bundle contains 8 fantastic games from Tower Defence Strategy types to Sci-Fi Action rpg's. Unstoppable Gorg, Stellar Impact, Twin Sector, Dead Horde, Future Wars, Greed: Black Border, Grotesque Tactics and Trapped Dead. The current price is only £3.90 and you can even help towards a Charity.
What's more, they all work on Steam and even after you've purchased, you can get more mystery games free when they're unlocked in certain bundles and save even more.