The map looks good so far, but I've had some problems. I got a lag spike when knifing a zombie, and a lot when I used the artillery strike. When I take a weapon from the box it doesn't give me it.
You have to run the other installer, it will always install in the New_Realism mod folder do it will overwrite the other map ( not your progress! ).
Close the game, run the installer for the map you want to play, a...
Sorry if this is a stupid question, but how do I switch what map I play? I downloaded Der Riese first, and then got Estate and Nuketown but when I load the mod it's just Nuketown.