Defense Grid: The Awakening is a charming little tower defence title with a decent story and challenging gameplay. There's enough content to keep coming back after the story mode has been completed, but after completing that, well, there's little to fall back on. It would have been great to see a random level generator of some sort or perhaps aliens that strike back and destroy towers if they get too close, just to mix up the formula a little bit, but otherwise you've a solid game right here.
