Bod, do what you feel is fine , up stairs could be cool for all the special weapons. lol
or do what would be the easiest for you to Finnish it.
I will be happy with any combination.
Windows 7 Professional 64-bit
Intel(R) Pentium(R) CPU G3260 @ 3.30GHz (2 CPUs), ~3.3GHz RAM 16GB NVIDIA GeForce GT 730
DirectX Version: DirectX 11