Official specs from Steam

Mortal Shell II system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

Mortal Shell II release infoSteam page Check other games

Minimum

OSWindows 10 / 11
ProcessorIntel Core i7-10700K @ 3.8 GHz or better or AMD Ryzen 5 3600 @ 3.6 GHz or better
GraphicsNVIDIA GeForce RTX 2060 SUPER 8 GB or AMD Radeon RX 6600 8 GB
Additional NotesSSD required

FAQ

What graphics card do I need for Mortal Shell II?

Minimum: NVIDIA GeForce RTX 2060 SUPER 8 GB or AMD Radeon RX 6600 8 GB.

Does Mortal Shell II run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).