Well, until it is a native elf/linux game, because the shabby compatibility, not reliable in time, zero official technical support (which is legally required for paid games), proton(wine), ewwwww...
The only sane ways: either a 'correct' set of native elf/linux binaries, or proton = 0 bucks (namely only free-to-play, with 0 cent in any micro-transactions).
The only sane ways: either a 'correct' set of native elf/linux binaries, or proton = 0 bucks (namely only free-to-play, with 0 cent in any micro-transactions).