The newest Humble Mobile Bundle is out, and you can get three games in the pay what you want tier and a few more (presently) beyond that price point. For $1 or more, you can get Syberia, Neuroshima Hex, and Barbarian: Golden Axe Edtion. This gives you a nice mix of adventure gaming, board games, and a strategy game.
If you beat the present average of about $3, you’ll get Leo’s Fortune, Out There, and First Strike alongside whatever future games are thrown into this tier. This is a strategy-heavy bundle, so if that’s your cup of tea, this bundle is a great buy.