Bungie, which was recently purchased by Sony, posted a Help page regarding playing its beloved Destiny 2 on Valve’s new portable PC:
Bungie definitely isn’t beating around the bush here. The language clearly says that if you disregard the lack of support and figure out a way to get the game running on Steam Deck, you’ll no longer be able to play Destiny 2. Considering some players have thousands of hours invested into their Destiny 2 accounts, it definitely doesn’t seem worth the risk.
Players who attempt to bypass Destiny 2 incompatibility will be met with a game ban.