Good news: I have made some progress, I bypassed the function which encrypts the data and I get the same structure as in a ggpack file (the one starting with the signature 0x04030201 Here is an example of 1 savegame converted to json, I had to remove some parts due to the size of the content { "acto...

Is there someone can help me do reverse engineering on the savegames of Thimbleweed Park? Here is some information about it: https://blog.thimbleweedpark.com/savegame I'm the author of engge https://github.com/scemino/engge , this is an open source game engine which is able run Thimbleweed Park, an ...