All SHiFT Codes which are Red in color are those that have expired. SHiFT Codes are special promotional codes released by Gearbox Software and other sources, some of which are only active for a few hours before expiring, while others have been valid for years.Įntering SHiFT Codes can reward you all sorts of stuff! Mostly just golden keys, but you might be rewarded with something else, other than just golden keys, such as:Īll SHiFT Codes which are Black in color are still working. 3 Common Sources of SHiFT codes for Golden Keys.