You are likely looking for the release notes or content updates for . This version is a significant update that introduced the "Chapter 4: The Last Experiment" content. Key Content in v1.15:

You can find the official update details and download the game through the following platforms:

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: Adds the final story chapter, "The Last Experiment," concluding the narrative arc involving Professor Cheshire.

: Features a series of high-difficulty puzzles designed for both solo and cooperative play.