Techraptor reports that the new version of The Sinking City will be free for existing players:
More information.
Thanks Couchpotato!New Version of The Sinking City Will Be Free for All Players
Frogwares has confirmed that the new version of The Sinking City will indeed be free for all existing players.
A close-up of protagonist Charles Reed in Frogwares' game The Sinking City
Frogwares has confirmed that when the new version of investigative horror game The Sinking City arrives on Steam, it will be free for all existing players.
This news was revealed as part of an FAQ for the new version of the game, in which Frogwares flatly confirms that the new version will, indeed, be available for players at no additional charge.
When the new version of The Sinking City was revealed last week, Frogwares didn't technically confirm that players wouldn't have to pay for the game again, although it was assumed this would be the case.
[...]
More information.