Just Follow this steps:
1) Download and install Notepad ++ ( http://notepad-plus-plus.org/download/v6.1.6.html ) and his plugin Hex
( http://www.softpedia.com/get/Office-tools/Text-editors/Lorenz-HEX-Editor.shtml )
2) Open the new save (dssave0.dsav and dssave4.dsav) with notepad ++ (in menu on Plugins choose View Hex) and copy the code from the 20 anf f until the 30 and 4.
3) Open the old save(dssave0.dsav and dssave4.dsav) with notepad ++ (in menu on Plugins choose View Hex)
and paste or reply the code from the 20 and f until the 30 and 4 with the code who copy from the new save.
4) Save the files.
5) Delete the new files and copy or replace the old files in:
a) C://users/nameusers/My Documents/Mygames/Darksiders 2/English(or the language you have the game)
b) C:\Users\username\AppData/Local\SKIDROW(and i have the save in the folder -- 50650\Storage)
If you follow this steps you should play the game. Succes !