Official specs from Steam

Slay the Spire II system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 (64-bit)
ProcessorDual-core 2.0 GHz
Memory4 GB RAM
GraphicsDirectX 12 or Vulkan compatible, 1 GB VRAM
Storage4 GB available space

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 (64-bit)
ProcessorQuad-core 3.0 GHz
Memory8 GB RAM
GraphicsDirectX 12 or Vulkan compatible, 2 GB VRAM
Storage4 GB available space

macOS minimum

OSmacOS 12.0 (Monterey)
ProcessorIntel Core i5 (dual-core)
Memory4 GB RAM
GraphicsMetal-compatible GPU, 1 GB VRAM
Storage4 GB available space

macOS recommended

OSmacOS 15.0 (Sequoia)
ProcessorApple Silicon M1 / Intel Core i5 (quad-core)
Memory8 GB RAM
GraphicsMetal-compatible GPU, 2 GB VRAM
Storage4 GB available space

FAQ

What graphics card do I need for Slay the Spire II?

Minimum: DirectX 12 or Vulkan compatible, 1 GB VRAM. Recommended: DirectX 12 or Vulkan compatible, 2 GB VRAM.

How much RAM does Slay the Spire II need?

Slay the Spire II needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is Slay the Spire II?

Slay the Spire II requires 4 GB available space.

Does Slay the Spire II run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. A native Linux build is available.