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 5 Had More Active Players Than Halo 3 Even Before Free Promo - GameSpot

New Shooter Games for Summer 2020 and Beyond

Halo 5 campaign played in a fireteam of four, revives possible

Redfall Review - Half-Staked, Gamespot

Review: Halo 5: Guardians - Slant Magazine

Halo Infinite campaign co-op beta tested - and it's superb fun

Everything new in Halo 5: Guardians - CNET

Halo 5 Had More Active Players Than Halo 3 Even Before Free Promo - GameSpot

Xbox Boss Explains Why Halo 5 Has No Split-Screen : r/Games

OC) I gathered data from Halo 4 & Reach to see how long their multiplayer DLC took and what it was, for comparison to Infinite's Season 2 : r/halo