Yes. All save games from the original Stronghold Crusader or Stronghold Crusader HD can be played in Stronghold Crusader: Definitive Edition.

All you need to do is copy your saves from the original saves folder to the new Stronghold Crusader: Definitive Edition saves folder location:

  1. Browse to the original Stronghold maps folder.  Default location is \Documents\Stronghold Crusader\Saves.
  2. Select and copy all the save games you wish to transfer.
  3. Browse to the new Stronghold Crusader: Definitive Editions saves folder.  Default location is C:\Users\{username}\AppData\LocalLow\Firefly Studios\Stronghold Crusader Definitive Edition\Saves. Alternatively click on the "Open Settings Folder" within the in-game "Game Options" to open the folder.
  4. Paste the saves into the new folder.