ok so if anybody is familiar with world at war zombies on the pc you can create your own zombies map once you download the tools to do so , or you can download other players custom built maps and you can also use guns from any other call of duty, create your own perks you basically can make everything . You can even create your on mysterybox and choose what guns will be in it and i would really like to see it happened in all the next call of duty Treyarch games many people love it and people from syndicate, ngtzombies, and dumb and dumber and all of they have youtube channels check them out as well
here's a few links to go check out their really good
SYNDICATE
http://www.youtube.com/watch?v=6CS4cSJWjrY
http://www.youtube.com/watch?v=lKlwZWm_P8w
NGTZOMBIES
http://www.youtube.com/watch?v=LlU5sB_ixLU
http://www.youtube.com/watch?v=Xwh0BlliN_k
http://www.youtube.com/watch?v=ot2nwmDd-aA
Dumb and Dumber
http://www.youtube.com/watch?v=0aSRDE40PS8&list=SPAEA48A7FCDBEB1CB
http://www.youtube.com/watch?v=0aSRDE40PS8&list=SPAEA48A7FCDBEB1CB
http://www.youtube.com/watch?v=7t2KczhBGU8&list=SPAEA48A7FCDBEB1CB
http://www.youtube.com/watch?v=8JX_CcRutaI&list=SPAEA48A7FCDBEB1CB
http://www.youtube.com/watch?v=9XEIN1YPeoU&list=SPAEA48A7FCDBEB1CB