Xbox Live Marketplace has Defense Grid: The Awakening (Xbox 360 Digital Download Game) for FREE! It will be available for Xbox LIVE Gold members July 1st through July 15th.
Link: Defense Grid: The Awakening
800 Points FREE
Defense Grid: The Awakening is the definitive Tower Defense Strategy game that’s easy to pick up, engrossing to play, and hard to set down. Strategically place your towers on the map to prevent alien enemies from stealing your power cores.
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