IGN on Twitter: "“In order to improve and accelerate ongoing live service development... we have reallocated studio resources and are no longer working on local campaign split-screen co-op,” - Halo Infinite developer
Halo Infinite suffers fresh content delays as local co-op is cancelled | VGC
Halo Infinite's Split-Screen Co-Op Has Been Canceled, As Studio | HONOR CLUB (GLOBALGM)
Halo Infinite' Player Count Surpasses 20 Million, Making It The Biggest ' Halo' Launch In History | Tech Times
Halo Infinite's campaign won't truly shine until we can play it co-op | PC Gamer