Is this a two player campaign mode

Games Halo 5: Guardians
1

Is this a two player campaign mode if so how do I get to it

2

If you are asking about split screen, there is unfortunately no option for that. You have to buy another Xbox, another TV, potentially another copy of the game, and potentially another subscription to Xbox Live Gold to play with another person.

3

The campaign for halo 5 supports up to 4 players, however there is no split screen option. If you and your friend will want to play you’ll need separate Xboxes and TVs. I’m not sure if LAN is supported for campaign, but either way you’ll still need two Xbox live accounts to play. No using guest accounts. Sorry