Writing this here so I don't forget and get hit by it for the 20th time: to make the Linux version work, unmangle the permissions on the il2cpp_data dir tree.
Having noted that, it's always fun to return to this after getting a new version working.
How do you stop charging Nile with the ping charge? I get attacked no matter what after initiating it and can't stop the orange build-up.
Edit: It would be nice if the sound across Arcade mode was normalized so it didn't require headphones or playing with some voice clips being loud.