Halo Campaign Evolved cooperative campaign

Online co-op

Halo: Campaign Evolved Co-op & Cross-play Guide

Learn how Halo: Campaign Evolved online co-op, cross-play, cross-progression, and platform support work across Xbox, PC, and PS5.

Last reviewed August 11, 2026

Quick answer

Halo: Campaign Evolved supports up to four players in online campaign co-op across Xbox Series X|S, PC, and PlayStation 5. Official product information also lists cross-play and cross-progression.

How many players can play online?

The complete campaign can be played solo or with up to four players online. Cross-play connects the supported console and PC platforms, while cross-progression is listed for players moving between platforms.

Before starting a co-op session

Platform account, online-service, and privacy requirements can change. Check the sign-in prompts on your platform and the current official support page before troubleshooting a connection.

  • Confirm every player has installed the same game update.
  • Check that cross-network play is allowed in console privacy settings.
  • Use the mission index to agree on a starting chapter before forming the group.

Practical co-op roles

A balanced squad should distribute precision, plasma, close-range, and heavy weapons instead of having every player compete for the same ammunition. Leave one teammate in a recoverable position during difficult pushes.

These role suggestions are general combat advice, not an official matchmaking requirement.

Frequently asked questions

Does Halo: Campaign Evolved have cross-play?

Yes. Official product information lists online cross-play across Xbox Series X|S, PC, and PlayStation 5.

Is the whole campaign playable in co-op?

The complete 13-mission campaign is listed as supporting solo play and online co-op for up to four players.