Perhaps they were conceived as toys for children, but video games of the 1970s, 80s, and 90s are significant artifacts of 20th-century technological, cultural, and design history. Much of that history is being lost or thrown away. Gamasutra discusses the Game Preservation Crisis:
Trash cans, landfills, and incinerators. Erasure, deletion, and obsolescence. These words could describe what has happened to the various building blocks of the video game industry in countries around the world. These building blocks consist of video game source code, the actual computer hardware used to create a particular video game, level layout diagrams, character designs, production documents, marketing material, and more.
These are just some elements of game creation that are gone — never to be seen again. These elements make up the home console, handheld, PC and arcade games we’ve played. The only remnant of a particular game may be its name, or its final published version, since the possibility exists that no other physical copy of its creation remains.