PC requirements

Legend of Grimrock 2 System Requirements

Legend of Grimrock 2 needs at least Dual Core 2.33 GHz Intel or 3.0 GHz AMD, 2 GB RAM and Geforce GTX 8800, AMD Radeon 4850 or Intel HD Graphics 5200 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768. graphics. For the recommended experience you want Quad Core 2.66 Ghz Intel or 3.2 GHz AMD, 4 GB RAM and Geforce GTX 660 Ti or AMD Radeon 6850 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768. graphics.

Verified Sources: Steam store listing
Legend of Grimrock 2 minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows XP Windows 7
Processor Dual Core 2.33 GHz Intel or 3.0 GHz AMD Quad Core 2.66 Ghz Intel or 3.2 GHz AMD
Memory 2 GB RAM 4 GB RAM
Graphics Geforce GTX 8800, AMD Radeon 4850 or Intel HD Graphics 5200 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768. Geforce GTX 660 Ti or AMD Radeon 6850 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768.
DirectX Version 9.0c Version 9.0c
Storage 2 GB available space 2 GB available space
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Other platforms

Legend of Grimrock 2 is also available on these systems, where hardware is fixed and no per-PC check is needed:

Linux Mac PC (Microsoft Windows)

Quick answers

Running Legend of Grimrock 2 on PC

Can my PC run Legend of Grimrock 2?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Legend of Grimrock 2 need?
2 GB available space
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.