right this is how i done it
1: Open GSC Studio and connect to your ps3 or whatever your on
2:Go over to EDITOR then Click Create a project and save it as Hungergames (Make sure you have it on multiplayer not zombies)
3:Go into your Libraries then Documents.Go into Black Ops 2 - GSC Studio then inside there,theres a folder called Projects
4:After u have gon in to projects there should be a folder called Hungergames what i told u to make throught GSC Studio. Open that folder and inside there,there should be a
main on its own Delete that then copy your modded files into that folder colse your GSC Studio then re-open it that all u have to do it just inject project to target
then your all done