Here is an overview of the game, via its Steam page:
Explore uncharted new lands as you set foot on a remote island seeping with magic, and filled with riches, lost secrets, and fantastic creatures.
Forge this new world’s destiny, as you befriend or betray companions and entire factions. With diplomacy, deception and force, become part of a living, evolving world—influence its course and shape your story.
- Engage in a Core Role-Playing Experience – Achieve quests and complete objectives in a multitude of different ways – through combat, diplomacy, deception, or stealth.
- Complete Freedom in Character Progression – Play as a male or female, customize your appearance, and freely choose your abilities, spells and skills.
- Delve into a Mysterious World of Magic – Begin a grand journey and uncover ancient secrets protected by supernatural beings, manifestations of the island’s earthly magic.
Update 11/30/20 at 11:40 a.m.: Spiders parent company Nacon has confirmed that the new content, which is officially noted as an expansion, will be available as downloadable content for existing versions of GreedFall. While the GreedFall brand is also now “integrated as part of the Nacon portfolio,” Focus Home Interactive will helm the publishing of the expansion and new versions.