The highest level you can achieve is Level 70. Prestige 10.
Prestige by getting to lvl 70 then go to barracks and click prestige mode
Chat with our AI personalities
Saddly you can't. The creators of cod5 waw(which does have co-op campaign) and cod6 mw2 are different.
In steam. Search up stimulus map pack. Buy (About US $15) ,download and enjoy the maps!
Reach Prestige 1 and Level 69.
Level 70, which is the level cap.
you carnt do mw2 campain two player