Not sure because I haven't been much into online mods for almost 2 years now but there were only ever about 3 menus for the zombies section of BO2 and a ridiculous amount like 50 for the online MP, which is why I never liked multiplayer online for BO2
Only other zombies menu that I remeber having for that game was 'AZZA' I believe. Paid-for Reflex Engine 3.0 is the only menu that will help you get into the really far rounds as it is the only SPRX menu that gives mods to see wherever the zombies are.
