Gameplay is OK. Graphics are decent and while purchases for upgrades might make game more enjoyable they're not required. ADS ARE VERY INTRUSIVE and sometimes force a reboot. The ad opens multiple instances of ads that require a reboot. Lowered review from 5 to 3 stars until they get their ads under control. Have to drop another star....pvp mode SUCKS...the system MAKES NO ATTEMPT TO MATCH PLAYERS weapons...reform to be shot within 1 second...WASTE OF TIME.