Halo: Campaign Evolved PS5 players will require an Xbox account and gamertag to play – as well as PS Plus to play split-screen co-op - Eurogamer

Players will require an Xbox account and an Xbox gamertag to Halo: Campaign Evolved on PS5.

Players will require an Xbox account and gamertag to Halo: Campaign Evolved on PS5.
That's according to a new Community Q&A posted to Halo Waypoint, which confirms that "just as you do today for…