It doesn't have to end here! Purchase the full version of the game to continue the campaign and retain your achievements earned so far! Defense Grid: The Awakening - 20 story levels plus 4 bonus Borderlands levels featuring new terrain, unique placement of roads, platforms, obstacles, tower build locations, and open areas to plan strategies around. - Now with over 100 interesting challenge modes providing unique situations and objectives that alter your strategies. - 10 hours of story driven play with dozens of hours more of challenge mode play. - 15 different enemy types that become increasingly strong, employing a variety of strategies to steal your cores. - 10 tower designs with 3 levels of capability for each, featuring unique weapon effects and trade-offs for every type. - 12 achievements to earn throughout the game. - Detailed leaderboards that keep track of your play and let you compare scores with your friends.