The 7th Guest was published in 1993 and was one of the first games to be released only on CD-ROM. It was a hit at the time, selling millions and receiving press attention for its adult content, using pre-rendered 3D graphics (impressive at the time) and making live-action clips part of a tame. In its life as a computer game, The 7th Guest was available on DOS, CD-i, Mac OS, Windows, iOS, Linux and even OS X.…