EmobaI really thought this was about the DirectX compatibility layer for Linux and was hopelessly lost until a dozen sentences in.
RBGSee, I have the same issue the other way around. Hearing about Proton supporting games on Linux makes me always wonder how I can play games via my webmail account.
By emailing your input? Kinda like chess by post.
Or text based adventures
Frozen Synapse allows multiplayer by email.