The Internet Archive (archive.org) has long stood as a titan of digital preservation, serving as a non-profit library for millions of free books, movies, software, and music. For gamers, however, it is best known as a massive repository for, among other things, retro gaming content, commonly referred to as (Read-Only Memory files) or ISO images.

One of the archive's most popular sub-sections is its ROM library. The Archive hosts a staggering number of ROMs and ISOs, preserving classic games and software from a vast range of platforms:

There is no legal “abandonware” doctrine. However, rightsholders often ignore distribution of titles where no commercial re-release exists. The Archive’s policy is to honor all DMCA notices but to restore content if a counter-notice is filed (rare due to risk of lawsuit).

: These are highly sought-after, purified collections of cartridge-based games. The name stems from the community's goal to strip away the custom "intro" screens added by early internet pirating groups. A verified No-Intro ROM Set on the Internet Archive ensures that the files exactly match the original data hashes of the commercial retail releases.

"Internet Archive ROMs UPD" generally refers to the frequent, often community-driven, updates to ROM sets (Read-Only Memory files—the data inside game cartridges) hosted on Archive.org .