Undermine 2 is an action adventure game from Thorium, released in 2025. Thorium both developed and published it. The game supports a single player campaign and cooperative play. The game ships for Windows alone. Cloud saves are enabled. There are 53 achievements to chase. Two players can share one screen on a single machine, which is rare enough now to be worth noting. It is localised into 11 languages according to the store listing. A gamepad works without remapping, since controller support is complete. It carries 798 Steam reviews, a small sample, so first hand performance reports are thin. Because it hooks into the Steam Workshop, what a player installs on top can matter more for performance than the official figures. This is current generation software, and the requirements read that way.

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System requirements

Minimum requirements

CPU	Dual Core 2.4 GHz
GPU	2 GB VRAM / DirectX 11+ support
VRAM	2 GB
RAM	4 GB
Storage	1 GB HDD
OS	Windows 10+

Recommended requirements

CPU	Dual Core 3.0 GHz
GPU	4 GB VRAM / DirectX 11+ support
VRAM	4 GB
RAM	8 GB
Storage	2 GB HDD
OS	Windows 10+

Verified from Steam · 19 Jul 2026 source

Scores are deterministic, computed by fixed rules and benchmark tables, not written by an AI. How we score. Maintained by Farhad Ali. Spotted a wrong specification? Tell us.

Setting and environment

The game is set in a mystery to unpick. Play is structured around runs that rebuild the layout each attempt. The view is in two dimensions. Generating a fresh layout every run is processor work, so a weak CPU shows up as a pause between areas. There are 15 official screenshots to judge the look from.

Why Undermine 2 is demanding

Undermine 2 needs only 8 GB of RAM. The install is small at roughly 2 GB. Undermine 2 needs only 4 GB of video memory.

This reading comes from the published requirements and our own benchmark tables, not from the store listing.

Can you run Undermine 2?

100%

Can run iton a typical modern PC (Ryzen 5 5600, RTX 3060, 16 GB RAM), the processor is the tightest fit.

Undermine 2 targets a mainstream modern PC: 2 GB VRAM / DirectX 11+ support and 4 GB of RAM for the minimum, stepping up to 4 GB VRAM / DirectX 11+ support for the recommended experience. No single part dominates the requirements, so a balanced mid-range build clears it.

Bottleneck: CPU

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Frequently asked questions

Can my PC run Undermine 2?

Upload your DxDiag file to Idxdiag's free checker and get a component by component compatibility verdict for Undermine 2 in seconds. No install required.

What are the minimum system requirements for Undermine 2?

The minimum requirements are CPU: Dual Core 2.4 GHz; GPU: 2 GB VRAM / DirectX 11+ support; 4 GB RAM; OS: Windows 10+.

How much storage does Undermine 2 need?

Undermine 2 needs about 1 GB of HDD storage.

What is the bottleneck for Undermine 2?

On a typical modern PC (Ryzen 5 5600, RTX 3060, 16 GB RAM), the tightest component for Undermine 2 is the CPU.