how big is the game? Sorry I'm not home so I can't play it rn, but I wonder if you port it to Java, if it would run on mac. I don't think you need to have a mac to export it using java.
Sorry. I meant game length, like code, resources ... Is it a complex game or a simple one? Also I meant Java and not Javascript, although Web would actually do the job, so forget about oracle java.
Gah, well it's looking like it won't be viable I'm afraid. Building webgl just eats mountains of ram and cpu for two hours and then reports build failed.