Helldivers 2: Helldivers 2 Compatibility with Steam Deck, Xbox: Here's what you may want to know
Helldivers 2 is not officially verified for Steam Deck, but its compatible using the correct Proton version. Recent updates have addressed launch issues, making it playable on the handheld.
Disclaimer Statement Economic Times Helldivers 2 Hellhelldivers 2 Compatibilitydivers Steam Deck Proton Version
Source: indiatimes.com