476
Visually indistinguishable
(lemmy.ml)
General rules:
Exceptions may be made at the discretion of the mods.
Back in the day we called them "expansion packs" instead of DLC because you went to the store and bought them on CD-ROM discs (or DVD-ROM if you had rich parents) because nobody's Internet was fast enough to download a whole photoshopped nude of Cindy Crawford in less than 20 seconds, let alone a whole game expansion.
Yeah I 'member. The good old days when an expansion pack was basically the dev wanting to do another game on the same engine, so they basically released another game's worth of content with it.
Age of Mythology: The Titans comes to mind.
That said, the skelly island was definitely a DLC, as in it had barely any content. Tribunal, and Bloodmoon were expansion packs, and good ones too.
Funnily enough this particular island was available via download and later as part of the GOTY pack, so technically speaking it was downloadable content before it became common. It was also free though.