Worlds in a world

I have been working on this world for a year maybe more. it all started when I had the idea of building my apartment but it is not just that there is more "a secret room" where are more worlds  

one of them is the map of Zombies in SpaceLand from COD infinite warfare 

YTC for the world vids : Hsn992 ,,, let me know if u like it ... Enjoy

https://www.youtube.com/watch?v=zXPwYhUSOoc