As pointed out the Linux version seems to be an OSX file.
Just responding to all of these comments - I solved the issue! It's not an actual OSX file - the name is just the same because it's a Java file (aka cross-platform for Windows, Mac, Linux). Just download the latest version of Java and it will run.
(The 'exe' seems to just be a packaged .jar file)
If you have a windows pc I Spent a few hours fixing it and reuploaded it with the installation in by default. You can just download and play
