343 Industries Addresses Whether 4 Player Co-Op is Possible for Halo

343 Industries discusses whether or not it would be possible for the original Halo or Halo 2 to get an update that adds 4-player co-op.

Halo Infinite: Infection Mode Returns, Here's How It Was Made - Xbox Wire

343 Delivers their Halo Infinite Road Map - New maps, modes, Co-Op Campaign, and Forge timelines given - XboxEra

Here's everything we've learned about the Halo Infinite campaign - EGM

Halo 4' interview with 343 Industries

Will 343 Industries ever accept that Halo is an adult game and let their characters swear? - Quora

Halo Infinite co-op won't launch in May as planned

Halo Infinite seasonal update, Co-op, Forge all delayed until near future

Halo Infinite Review: A Great Shooter, Still in Progress

Hands On With Halo Infinite's New Forge AI Toolkit (It's Awesome)

Halo Infinite Campaign Co-Op still has no release date – Supercar Blondie

Halo Infinite season 2 off to “bumpy” start, 343 Industries says - Polygon

Latest Halo Infinite leaks, release date news, gameplay rumors & more - Dexerto

Sorry, Halo Infinite's campaign co-op beta isn't starting today after all

Very few people are playing Halo Infinite right now - Xfire