I don't have the GOG version, but in the retail edition edition of Sacred Gold, you had to load a character, hit ESC to open the in-game menu, then Export. When starting a new character, just below the difficulty slider, you'll see Import. No tool exists as far as I can find, at least on the copy I have (Big Byte slimline dvd case edition).
For other players, just copy the save data across directories. (The benefit of this over a hero file should be that the next player can export to the slot of their choosing, or continue from the save point)
Is this not the case? I never had the original and Plus editions.
(I can't find anything official, but 3rd party tools exist around the web that do this and a variety of other things)
Post edited January 14, 2009 by Ois