Halo 5's 4-Player Co-Op Allows for a Much More Sociable Story - GameSpot

Microsoft explains why it's focusing so heavily on four-player co-op with the upcoming game.
A new entry in the Halo franchise was announced at the Microsoft Press Conference at E3 2013 for the Xbox One.

Halo Infinite Campaign Network Co-Op Flight Preview : r/Games

Halo 5 Campaign Co-op Uses Dedicated Servers, Microsoft Confirms at E3 2015 - GameSpot

4-player splitscreen co-op runs perfectly on Series X. : r/halo

4-Player Co-op Glitch, Halo Alpha

Halo 5 Will Deliver Epic Scope and Scale and Drama - GameSpot

Halo: Reach - Wikipedia

Xbox Live subscription required for online play. Intense story on a galactic scale: Play as the Master Chief and Spartan Locke across three new

Halo 5: Guardians – Xbox One

Hideo Kojima Says That Video Games Are For Lonely People

Halo 5: Guardians Review - GameSpot