This game is about saving the earth from reapers. This game has action,adventure and etc. 1. action-In action you can do action yourself like dodging from robot or running jump in air and then fire etc. 2. adventure-In adventure the adventure of the game is very can go across the galaxy you can purchase armor where you wanted to purchase this game also cantain good graphics. 3. customize-you can customize your wepon or your armor you can make them better with several upgrades most people use trainer to upgrades their wepon in pc . 4. you must play game at hard mode without any trainer or gltich. mostly in ps3 or xbox 360 you will get a achivement completing the game hard mode.  written by gagan sekhon