Taking similar action then as it did today, Frogwares took its complaints public by publishing a letter claiming that Nacon owed the studio “ roughly 1 million euros.” The game originally launched in summer of 2019, but then disappeared from most online storefronts in August 2020 due to a dispute over royalties.

The two companies have been at each other’s throats for quite a some time now. Polygon reached out to both parties for comment and will update the story when more information is available. Nacon’s statement also attempts to refute claims that the version on Steam is not a complete version of the game - but also says that it wasn’t able to integrate Steam-specific features like cloud saves and achievements “due to a lack of cooperation with Frogwares.” The post then goes on to describe the involvement Nacon had throughout the development of The Sinking City, such as financing and marketing the project. “Frogwares persists in disrupting the release of The Sinking City,” the post states. Nacon responded to the allegations via a post on Steam. In addition, according to the Frogwares post, “ version deleted all the achievements we prepared, thus removing a key feature of the Steam community.”

On March 1, Frogwares clarified the original claim in a very technical post that illustrates why the team thinks Nacon hacked and pirated its game. More recently, Parisian company Nacon rebutted by telling fans that the Steam version was “official and complete.” But now, Frogware has new allegations: As the studio tells it, Nacon hacked and sold The Sinking City in order to list it on Steam. Near the end of February, Frogwares told fans not to buy the game on Steam, because the product was “not created” by the team. The dispute between Frogwares, the studio behind The Sinking City, and its publisher, Nacon, has sunk to new depths.

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