The Gold edition comes with Sacred Plus and Sacred Underworld. The game is supposed to be like a mix of Diablo and Morrowind. It has a 74/100 metascore on Metacritic.
The promo ends tomorrow, May 19 at 5:59 a.m. EDT (9:59 p.m. GMT).
Click here to see the GOG Weekly Gems Promo deal for Sacred Gold.