This post focuses on setting up a Gaming HVM (Hardware Virtual Machine) on QubesOS utilizing GPU PCI passthrough. The author outlines the steps needed to configure a virtual machine to leverage the physical GPU, allowing for enhanced gaming performance. Additionally, the comments highlight the relevance of Looking Glass, a project that facilitates low-latency video output from virtual machines, further enhancing the gaming experience on QubesOS by providing a seamless integration between host and guest systems.