Release Group: Amiga
1986 - Release: King's Quest III: To Heir is Human
Release Group: Apple II
1988 - Release: King's Quest III: To Heir is Human
Release Group: Apple IIgs
1988 - Release: King's Quest III: To Heir is Human
Release Group: Atari ST
1986 - Release: King's Quest III: To Heir is Human
Release Group: DOS
1986 - Release: King's Quest III: To Heir is Human (United States)
1987 - Release: King's Quest III: To Heir is Human (United States / Re-release)
1991 - Release: King's Quest III: To Heir is Human (United States / 3.5" Disk Re-release)
1991 - Release: King's Quest III: To Heir is Human (United States / Dual Media re-release)
Release Group: Mac
1988 - Release: King's Quest III: To Heir is Human (North America)
Release Group: Tandy TRS-80 CoCo
1988 - Release: King's Quest III: To Heir is Human (North America)