Yes. All maps 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 maps from the original maps folder to the new Stronghold Crusader: Definitive Edition maps folder location:

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