It's for everyone who loves zombie-horde shooter. The game is doing what's supposed to do. The graphic is good enough and it is fun! There areIt's for everyone who loves zombie-horde shooter. The game is doing what's supposed to do. The graphic is good enough and it is fun! There are 3 maps available, which getting bigger on higher levels. At level 20 you can get in the sewer a pretty cool SciFi-blaster, maybe on every map, but I was not yet in that high level on the other maps.