Steam Deck users are experiencing performance issues with the best-selling game on Steam, Crimson Desert, which is marked as “Unknown” for compatibility with the device. Despite being a top title, its demanding technical requirements create significant challenges for the Steam Deck. Experts recommend waiting for patches before playing, as current performance struggles include difficulty achieving stable 30 FPS, especially in demanding sequences. Developer Pearl Abyss has not communicated plans for future support or optimization for the Steam Deck. The gaming community is encouraged to discuss their experiences regarding the game's performance on this platform.