Thanks to Valve investing a ton into proton (wine, dxvk, vkd3d) copy protection are usually no longer an issue. The problem is kernel-level anti cheat like EAC

Thanks to Valve investing a ton into proton (wine, dxvk, vkd3d) copy protection are usually no longer an issue. The problem is kernel-level anti cheat like EAC, BattleEye, Vanguard and EA's AC. The first two work flawlessly (on Linux) if the developer enables support for Linux (Halo, Apex Legends).