MarcAlexandre Boulanger-Milot, a designer at Activision subsidary Beenox, has said that to play the game "you need to have the PC-developed kernel driver for anti-cheat", but suggested that Steam Deck play on the native SteamOS may "eventually" be supported.
Thankfully you can install the Windows operating system on the Steam Deck, install the game on a microSD card, and run it that way.
This video shows the game in action on Windows 10, and offers some pointers on how to get it running on the Steam Deck:
It's worth noting that although plenty of folks have installed Windows on their Deck, you may face some issues - such as with driver support. Here's how to reinstall steamOS on your Steam Deck if need be.
3a8082e126