Defense Grid: The Awakening released in 2008 and it brought a unique blend of tower defense and strategy mechanics. Tower defense fans quickly took a shine to the game, so independent developer Hidden Path Entertainment continued supporting the game with a number of DLC add-ons, including one featuring Portal's GLaDOS. After four years, however, Hidden Path is ready to take Defense Grid to the next level and recently announced plans to begin work on an official sequel, Defense Grid 2.

"We've actually wanted to work on Defense Grid 2 since DG1 was released," said Defense Grid's CTO and lead designer, Michael Austin. "To be honest, we've been working on DG2 for a few years now, but because it's been self-funded so far, it's amounted to just one or two people in our spare hours doing design and engine work."

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