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So for background info, I daily drive Arch for everything BUT my gaming, for that I virtualize windows 10 with QEMU GPU pass-through and it runs really well and serves my needs perfectly. Recently however I picked up a steam deck and have been playing all sorts of games natively on Linux with proton or maybe proton GE. By a WIDE margin, more games work than don't; However the only game I haven't gotten to work completely has been fortnite but even then I'm able to get into a lobby and run around before crashing  .

Hi,
A lot of games people mention as “can’t run on Linux” are really more about anti-cheat or platform restrictions than performance. Popular mobile-first titles fall into that category too, since they’re designed around Android ecosystems rather than desktop OS support. That’s why many players rely on separate testing environments or beta platforms to experience new features early instead of waiting for full compatibility. For example, Free Fire fans often use dedicated beta servers to try upcoming content outside the main release cycle. I came across a detailed explanation of how that works here: https://theastutebetaserver.com It’s an interesting workaround perspective for gamers dealing with platform limits.