Not every catalogue entry on a retro gaming archive is treated the same way when it comes to download links, and that difference is intentional rather than arbitrary.
Reference-Only and Abandonware-Reference
Entries labeled this way exist purely as documentation: release year, platform, genre, screenshots and historical context, with no download link offered under any circumstance regardless of how commercially unavailable the game might be. This is the correct default for the vast majority of older commercial games, where rights status is unclear or unverified.
Public Domain, Freeware and Open Source
These labels, discussed individually in Public Domain Retro Games and Freeware and Open-Source Remakes, apply only when a clear, verifiable legal basis exists for free distribution — not simply because a game feels old or hard to find elsewhere.
Rights-Holder Approved
This is the strictest label of all: it requires an actual, verified relationship or agreement with whoever currently holds distribution rights, such as the storefront licensing arrangements covered in GOG.com Explained. Only this label, paired with a verified source link, permits a direct download or purchase link to appear.
Why the Distinction Protects Everyone
Treating every old game as automatically "safe to download" would expose both an archive and its visitors to real legal risk, while treating every old game as entirely untouchable would ignore the many titles that are genuinely, verifiably free to play. A per-game label, applied conservatively, is how how to preserve retro gaming legally actually gets put into practice rather than staying an abstract principle.