Steam SHiFT Codes
Valve's Steam platform is the defacto king of PC Gaming launchers. It was one, if not the, first to market and maintains a strong position as the leader in PC Gaming estimated to have 75% marketshare in 2013. The SHiFT Codes below are designed for use in Steam titles. Even though Borderlands 3 is not supposed to be available until April 2020, many of the Universal codes can be redeemed in advance.
The archive below is listed in reverse chronological order with the newest codes appearing first.