The cheapest graphics card you can play it on is an NVIDIA GeForce 510. Broken Metal system requirements state that you will need at least 4 GB of RAM. To play Broken Metal you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400.
Broken Metal will run on PC system with Windows 10 and upwards. Additionally it has Mac and Linux versions.
Minimum System Requirements
Recommended System Requirements
Minimum System Requirements
Recommended System Requirements
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