Retina display now available! Welcome to Galactic Alliance 2: a defense strategy game which brings all new depth of play to the genre. Enjoy the ONLY defense strategy game to offer 4-player, co-operative play. Encounter a variety of enemies which will challenge traditional strategies. Utilize new towers to destroy the bad guys in all new ways. Find all the little things like a help menu, Game Center integration, push next wave option, and much more. Also, check out the gorgeous updated graphics, including retina display. We’re actively updating and want to hear your feedback! Leave a review or send us a message at usersupport@vectorform.com!Mostly, thank you for your interest and support!Features:- Retina graphics- Game Center integration- 4 player game play- 5 maps, each offering unique challenges- 7 enemy types- 8 tower types- Push next wave option- Help screen with tips- and more!