Official specs from Steam

Rain World system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 64-bit
Processor4th Gen i3 / 1st Gen Ryzen
Memory4 GB RAM
GraphicsIntel HD (Integrated), GeForce 6 Series / Radeon R7 Series
Storage4 GB available space

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 64-bit
Processor6th Gen i5 / 2nd Gen Ryzen (or better)
Memory8 GB RAM
GraphicsGeForce 7 Series / Radeon RX400 Series (or better)
Storage4 GB available space

FAQ

What graphics card do I need for Rain World?

Minimum: Intel HD (Integrated), GeForce 6 Series / Radeon R7 Series. Recommended: GeForce 7 Series / Radeon RX400 Series (or better).

How much RAM does Rain World need?

Rain World needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is Rain World?

Rain World requires 4 GB available space.

Does Rain World run on Mac or Steam Deck/Linux?

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