Yeah, neither work. It fails to download, and not too long ago I downloaded some other game and it was up and running, no problem. Hopefully you can fix this problem becuase I look foward to play to play this game! :D
Okay, I finally got to the root of the problem thanks to yawarahayashi. It's basically the OS Sierra that's causing the issue. This is how to make it run:
1) Right click on the game itself and click "Show Contents."
2) From there, go to the OS Sierra folder and click on the exec file of the game.
3) You may have to go to Security in the System Preferences to be able to open it. The Exec file will go through the Terminal process. It will take some time before the game officially opens.
Please do let me know if this works for you!