Gegenüber MTV hat Mark Lamia (Chef von Treyarch) bestätigt, dass die Singleplayer-Kampagne und die kooperativen Spielvarianten voneinander getrennt sein sollen. Es ist also davon auszugehen, dass man die Story-Kampagne in Call of Duty: Black Ops (ab 40,00€ bei kaufen) nicht mit mehreren Spielern gemeinsam absolvieren kann. Dafür verspricht Mark Lamia mehrere Koop-Modi, die anders als der "Spec Ops"-Modus bei 'Modern Warfare 2' ausfallen sollen. Weitere Details wollte er an dieser Stelle nicht verraten.

Specifically that it'll be totally separate from the main campaign, which will remain a strictly solo experience. [...] "Single-player is the epic, cinematic, seat-of-your-pants thrill ride that you star in. Then there's multiplayer, when you want to play competitive with your friends and really chisel and hone your skills and do that addictive experience. And then co-op is for when you want to have a blast with your friends, just sitting on the couch and having an awesome co-op experience. We're crafting unique co-op modes around that experience, but it is different than what people think."