Hardcore shooter with gun upgrading Overkill is an action packed shooter that brings the gun to the forefront of the gaming experience. There are 18 weapons to choose from and dozens of upgrades to create the ultimate killing machine. Multiple enemies and death-bringing drones will do whatever it takes to stop you. The only things you can count on are your reflexes, aiming skills and your weapon. Singleplayer, Survival Mode, iOS vs Android multiplayer and lots of weapons to choose from With two different game modes and cross-platform multiplayer, Overkill provides players with hours and hours of exciting gameplay possibilities. This game will test your abilities to the max. See for yourself why Overkill has over 12 million downloads and 4.5+ ratings on both iOS and Android. Source: The Developer Website.