Updated July 30, 2026
Halo: Campaign Evolved Co-op Guide
Quick answer
Halo: Campaign Evolved supports online co-op for up to four players across supported platforms.
Online co-op is cross-platform. Console players should also check the current local co-op options, system requirements, and subscription rules on their platform.
Online co-op
The official platform information describes online co-op across supported systems. Each player needs a compatible copy or entitlement, an updated client, and a supported online account.
Split screen
Console split-screen support is listed for two players. Feature availability can be affected by platform, account sign-in, and system updates, so verify the current support page if your setup differs.
Frequently asked questions
How many people can play online?
Up to four players in online co-op.
Does co-op support crossplay?
Yes, online co-op supports cross-platform play.