Lately Valve updated Proton Experimental , the special version of Proton that draws in improvements first with assistance for their older CEG DRM as well as an additional brand-new build is up. In the changelog it just keeps in mind that it boosts compatibility with video games utilizing CEG DRM yet it also has the most recent fsync changes for the newer code. According to a Proton designer if you have an older Kernel fsync should be automatically handicapped so if you intend to utilize it you need to upgrade. Passing what we have actually seen, it appears that Call of Duty: Black Ops II will currently load with the Campaign functioning but Zombies as well as Multiplayer continue to be a little bit troublesome with them collapsing ultimately. As a suggestion a few of these video games should currently see improvements on Linux with Proton Experimental: Aliens: Colonial Marines Aliens vs. Predator (2010 ) Bioshock Infinite Call of Duty: Black Ops Call of Duty: Black Ops II ...