A case isn't mandatory for your Steam Deck, but it's recommended to protect against accidental drops and scratches and to enhance grip during gameplay.

this one sacrifices nearly every other design consideration in order to be thin enough to fit in the Steam Deck case. The PCB is designed to be flexible using copper tape cut to size with a vinyl ...

The best Steam Deck accessories make the device even better. Sure, the OLED model boosted battery performance and memory when it came. Still, it doesn’t hurt to have longer battery life and more ...