Gaming on thinclient or direct output for Windows VM on Fedora

I have a 8 core server in my dorm. It serves as my NAS & media server and I occasionally use it to play videogames with the roommates. Right now Win 10 is installed with fedora as a VM.

This works fine but I want Fedora server to be the host OS and Win 10 to be the Guest OS (with the gaming done on windows). I have been playing around on a spare computer and have Fedora as the host and have a Win 10 guest through KVM. I can't connect to my VM via the server and keep getting a failed to connect to hypervisor. I haven't looked into it too much but I presume the reason why is b/c I don't have x server installed on fedora since I am just using fedora server with the terminal only.

Basically my question boils down to this: Do I go ahead and just directly connect everything to the server to access my win 10 guest to play games (ie accessing my VM guest through my host) or do I access my VM through a thin client and game from there. Which will give better results for gaming? We play party games so constant smooth 60fps isn't completely necessary but it would be nice if we had it. If I do go the thin client route what are my options of OS/Software/hardware I can use. Everything will be hardwired btw. Can I use my Raspberry Pi 3? would I be better off buying a cheap NUC to use as a thin client? or maybe an old core 2 duo system or older?

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