Starting today, Defense Grid: The Awakening is free at Epic Games Store. The free game offer runs until December 21 at 11 AM Eastern. Once you claim it, it’s yours to keep.
The tower defense game comes from Hidden Path Entertainment. Here’s how they describe it:
Defense Grid: The Awakening is the ultimate tower defense game that appeals to players of all skill levels. A horde of enemies is invading, and it’s up to the player to stop them by strategically building defensive towers around their base.