FBC: Firebreak from Remedy Entertainment arrives June 17 and it has been Steam Deck Verified ready to play on the go. Thanks to their work on it the game will be SteamOS playable on other devices too.
The rating isn't actually listed on the Steam page at time of writing, but the official account on Bluesky has confirmed they've received the Verified rating (developers get notice before the notice is published on store pages).
A new video has also been released to show case it running directly on a Steam Deck OLED that you can view below:

Direct Link
More about it:
FBC: Firebreak is a cooperative first-person shooter set within a mysterious federal agency under assault by otherworldly forces. As a years-long siege on the agency’s headquarters reaches its boiling point, only Firebreak— the Bureau’s most versatile unit—has the gear and the guts to plunge into the building’s strangest crises, restore order, contain the chaos, and fight to reclaim control.
Dive into the Federal Bureau of Control’s (FBC) unpredictable and extradimensional headquarters during its darkest—and strangest—hours. As one of the FBC’s fearless first responders, you and your team are on call to confront everything from reality-warping anomalies to otherworldly monsters... no matter the odds. Will you contain the chaos or finally lose control?