I've reached out to their teams to see what's going on - will update if I get any reply. Lots of people on Reddit have noticed it and report the same issue (but a few note oddly it still works for them?), so hopefully Microsoft / 343 will fix whatever they did soon. Restarting it doesn't change anything, rebooting the Steam Deck doesn't help either. I've tested this myself across both Proton 8 and Proton Experimental and neither works.

Going by the error messages, it seems like they may have put the Steam options actually the right way around now but broke it in the process. When you go to launch multiplayer from the main menu with the option that has anti-cheat turned on you'll see an error like this when you try to go into multiplayer:Īnd when picking the Steam launch option with anti-cheat off, which going by their support article is still the option to actually use to have it enabled as it's backwards, you're met with this: Since the update on September 19th, it just doesn't work with Easy Anti-Cheat errors. This came with a few minor issues, like needing to pick the Steam launch option that actually says it's off (the options were backwards). If you remember, back in April they did announce Steam Deck support for online play and put up a support article for it. Stay tuned for updates on this bug investigation.'Īfter a recent update Halo: The Master Chief Collection seems to have broken online play support for Steam Deck due to Easy Anti-Cheat. Halo Steam players will be required to have an Xbox account, but otherwise will be able to experience the package in its entirety as normal.Update: Posted on X, the Halo Support account mentioned they're looking into it - 'The #HaloMCC team is investigating reports that players on Steam Deck are experiencing Easy Anti-Cheat error messages after Tuesday's update. Not only will it be available via the Microsoft Store like most Microsoft first-party PC titles, but it will also be released on Steam. Halo: Reach will, of course, be included with the full package via Game Pass.įinally, there's one other interesting detail regarding the Halo: The Master Chief Collection release on PC worth noting. Halo: Reach will also be coming to Xbox One but its story and multiplayer will be released separately once each mode is finished. Both the game's story mode and multiplayer will be released consequently on PC, though with the PC's new custom browser, players can choose to download either mode from any given game and none of the rest. The Halo: MCC roll-out on PC will start with Halo: Reach.

Of course, there's the added perk of giving each of the six Halo games in the bundle its own time in the spotlight and opportunity for multiplayer to flourish. To do this, Microsoft is partnering with other development studios including Ruffian Games and Splash Damage. This is due in large part to the depth of the project, ensuring each game is brought to its full potential on PC. The long-rumored PC version of Halo: The Master Chief Collection is being custom made for the platform, rather than being delivered as a straight port of the Xbox One version of the game.Īs a result, Microsoft won't release Halo: The Master Chief Collection all at once, but is opting to release one game at a time on PC. Like Halo 4, pre-order bonuses for the bundle varied between retailers. A trailer announcing the imminent inclusion and release date of Halo Reach into the MCC on Xbox One and PC. Microsoft kicked off the latest Inside Xbox livestream with two big announcements: Halo: The Master Chief Collection is coming to PC, and will be adding the prequel Halo: Reach. Halo Reach - X019 - The Master Chief Collection Launch Trailer Main article: Halo Reach - X019 - The Master Chief Collection Launch Trailer.

Halo mcc reach