Cooperative play, Halo Alpha

Co-op is a multiplayer gametype found in all Halo games except Halo PC and Halo 2 Vista. It allows two or more people to play the Campaign together. Co-op is also available in the Halo Wars campaign, both via system link and over Xbox Live. However, unlike in other Halo games where co-op is available, it is not possible to play local co-op in Halo Wars and Halo 5: Guardians. Co-op gameplay involves 2, 3, or 4 people playing through the campaign as a team. If one player dies, they can come back t

Pre-Xbox Halo, Halo Alpha

Halo Origins Bundle, Halo Alpha

Cooperative play - Halopedia, the Halo wiki

N'tho 'Sraom, Halo Alpha

Everything to know about Halo Infinite Season 2

Halo: The Master Chief Collection Local Splitscreen on PC. : r/localmultiplayergames

Halo MCC April 11 Update Deployed for Cross-Platform Co-Op for Halo 3 & More

Halo Infinite - Game - Halopedia, the Halo wiki

Halo 2, Halo Alpha