We've always had a love for independent co-op games at Co-Optimus. Whether a one man job or a small development house, these games usually have a lot of heart and soul to them. This week we checked out the Xbox Live Indie Game Quad Force; a 4 player local co-op top-down shooter using a few unique elements. The goal of the game is to survive a series of waves on a different maps with your buddies. Here are a few impressions based on our experience.