Overwatch 2 from Blizzard has now launched on Steam and thanks to that, it's super simple to get it working on Steam Deck and desktop Linux. Although Steam Deck players will want to change the Proton version.
Valve updated Proton Experimental back on July 8th, which included a fix for "Overwatch 2 stopping to register controller inputs after an online match has started". So a big problem on Steam Deck but not so much if you're using a mouse on desktop Linux but for best experience right now just switch to Proton Experimental.
When loading for the first time, you will be greeted by the below screen since you do need a Battle.Net account. No fuss though, entering the code into a browser, and it will then link up with your Steam account. Absolutely no issue there, and no need for Battle.Net itself. Much cleaner than how some others are doing it like EA, Ubisoft and others.
Until Valve builds up a shader cache and has it ready to download though, expect to see plenty of stuttering which Overwatch 2 has been notorious for in the past with Proton / Wine. After a little while of playing, it will get a lot smoother on Steam Deck and desktop Linux.
Two shots of it running great on Steam Deck on Medium Graphics Preset (click them to enlarge):
Running just as expected on desktop Linux too (Kubuntu 23.04) on Ultra Graphics Preset:
Not a whole lot extra to say really. It's not a new game, it's technically been out and playable on both desktop Linux and Steam Deck by just using the Battle.Net launcher with Wine or directly inside Steam with Proton. It works the same as before, it's just a lot easier now.
Interestingly, the user reviews on Steam are not looking good for it. Very quickly after release it hit a Mostly Negative score. Players haven't been happy with Overwatch 2 for some time now so that's not really a big surprise considering how Blizzard handled it with cutting planned content.
Their new trailer is below: