Archive.org is an organization that has taken on the mission to preserve our digital history. They are well known for many of their projects including the Way Back Machine and their historical software collection. The games listed here are part of their software preservation initiative. They have obtained special exemption from the Digital Millennium Copyright Act to ensure that software published on obsolete platforms are not lost to us. They are not in the public domain, or available under open access, instead they are free to use online. For more information about their work check out the links below.