About what everyone is stating bigger players rob you all the time with no hope of retalenting no way to shield base , upgrades take so much you collect to upgrade then your a target ,get the robot but there is no way to turn it off so it gathers then you become a target ,I wouldn't spend any money but to get the robot ,hero come then leAve forcing you to buy them if you want them to stay also buy work stations expect to get atked all the time ,I just play. This game as a break from playing stf