This game is so much epic!
It took us 1 month in order to get the save game file work and here it is now! Installation is a little bit tricky but feel free to ask any questions.
How to install:
Put your file directly in the following folder
1. extract the .zip archive
2. copy savegame files to
* steam version =>
C:\Program Files (x86)\Steam\userdata\37394734\209000\remote
* other version => C:\ProgramData\Steam\