Recently, it seems like this game is draining more and more battery life. My phone already drains batteries due to the screen (hence why my backlight is usually off), but if I have this game open for too long, I could literally drain my battery from full in less than an hour. I have to keep my battery constantly on the charger if I plan on doing any extended play, which isn't a good sign when it comes to a gaming app on a mobile device. I hope GI will start paying more attention to the power cost with all the recent additions to the game.