While Killing Floor 2's wave-based combat is conceptually reminiscent of Halo's Firefight and Gears of War's Horde modes, the flow of a match is more analogous to Battlefield or Call of Duty. And while its 12 maps are short on objectives and destinations, the drive to stay alive is enough to keep you invested in the action and immerses you in a deep character progression system, which makes your fight consistently enjoyable, especially if you play with teams you can rely on. Staying alive is simply a matter of fending off the undead using whatever weapons you have on hand while effectively managing the space around you. Yet what it delivers, it does well-namely, uncomplicated, arcade-style zombie shootouts. As a survival shooter with only two modes, Killing Floor 2 is naturally short on gameplay variety.