Far Cry Primal will not have a multiplayer element and Ubisoft has explained why they decided not to feature online play in the upcoming game.
Community manager Jason Paradise has said the decision was made in order to focus the team on creating “best possible experience” for players by reinventing the “core gameplay loop.” This decision was made early in the development cycle.
“Bringing the Stone Age to life and providing players with a strong gameplay experience based off of the Far Cry legacy meant we had to reinvent our core gameplay loop,” Paradise commented on the game's Steam forum. “This was definitely not a small undertaking. Our focus was on delivering this fantasy which required clear priorities for the team.