We have been receiving reports about the MAC build failing on the recent update.
We'll be fixing the issue meanwhile, so please wait until the update appears on your STEAM library.
We apologize for the inconvenience.
Please wait a bit longer if you are playing the game on the Mac.
As always, if you encounter any other issues and concerns, please contact us at https://herculion.zendesk.com/hc/en-us and leave message for all staff members to be able to see it.