The Humble Frozen Synapse Bundle gives you the turn based strategy game for whatever price you want to pay for it.
…and if you decide to pay more than the average price of ~5$ (currently) you will also get these 3 Indie Games from the Humble Frozenbyte Bundle:
- Trine (Platformer)
- Shadowgrounds (Top Down Shooter)
- Shadowgrounds: Survivor (Top Down Shooter)