Some Internet Archive items will contain torrent files to provide another download method. These files are not important to download but are meant for the website to know what files to display and the reviews of the item. Internet Archive items will have metadata files that end in extensions such as. These should be your go-to links if what you are looking for is not in the Popular Games page. If a link has 'No-Intro' or 'Redump' in the name, it is a collection of the currently best-available ROMs for the system. No-Intro and Redump are groups that catalog hashes of dumped games for different systems. To download locked items, register an account.
When accessing the file directly, the following error is shown instead. This is shown with a lock icon beside the file name in the item's file listing.
Internet Archive restricts items that generate a high amount of traffic from being able to be downloaded without an account to prevent abuse.