If you make a Linux version I'll test it.
I really wonder if I should have included a Mac version of my own game -- the reason I didn't for a long time is that I do all my own testing and can't test Mac or give instruction how to run/install mac.
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Well, it gets stuck in the dialogue if I talk to the anime girl on the dock, being effectively locked up at that point. It also locks up on the start screen after dying, so I can't try more than once without killing the game on the command line and re-starting.
Also, probably not linux specific, but what seems to be the strong attack (block then attack giving the thrust forward) allows the play character to move over obstacle that normally are barriar to get stuck (on the dock).