Official specs from Steam

Limbo system requirements

Minimum and recommended PC specs as listed by the developer on Steam. Native macOS version available.

Minimum

OSWindows 10 or later
Processor2 GHz
Memory4GB
Hard Disk Space150MB
Video CardIntegrated graphics from 2020 or later. Shader Model 3.0 required
DirectX®9.0c

macOS minimum

NoteiMac (Mid 2007 or later)
NoteMacBook (Aluminum, Late 2008 or later)
NoteMacBook Air (Late 2008 or later)
NoteMacBook Pro (Mid 2007 or later)
NoteMac Mini (Early 2009 or later)
NoteMac Pro (Early 2008 or later)

FAQ

What graphics card do I need for Limbo?

Minimum: Integrated graphics from 2020 or later. Shader Model 3.0 required.

How much RAM does Limbo need?

Limbo needs 4GB at minimum.

How big is Limbo?

Limbo requires 150MB.

Does Limbo run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. There is no native Linux build (Proton compatibility may vary).