I sent them an email earlier, and they basically said it depends on the Unreal engine. Below is their direct reply.
"we're supporting MacOS and Windows. But our Linux support currently depends on Unreal Engine 4 support. It's possible, but we can't promise it, yet."
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Give it a few weeks and your friend will get his XBox back from his wife. The good thing about gimmicks is they're short lived.
I sent them an email earlier, and they basically said it depends on the Unreal engine. Below is their direct reply. "we're supporting MacOS and Windows. But our Linux support currently depends on Unreal Engine 4 support. It's possible, but we can't promise it, yet."