Campaign
From Halopedia, the Halo wiki
Campaign is a game mode which consists of the main story missions in the Halo games.
Cooperative
In Halo 3 and Halo 3: ODST, up to four players can run through the campaign as a team.
From Halopedia, the Halo wiki
Campaign is a game mode which consists of the main story missions in the Halo games.
In Halo 3 and Halo 3: ODST, up to four players can run through the campaign as a team.
