The legendary paradise of Eden is hidden somewhere in the darkness, and if you can find eight hidden pieces of knowledge, you can learn its location and return to this land.
In the card game Argoat, the world is built progressively over the course of the game, and you attempt to gather knowledge as new elements appear. Sometimes you'll have the chance to negotiate with others to obtain this knowledge.
The rulebook has rules both Japanese and English, and contains English paste-ups for the cards.