Toto rozšírenie spoločenskej hry Arkham Horror: The Card Game je v angličtine a tento jazyk je na jeho hranie potrebný, preto aj popis ďalej uvádzame v anglickom jazyku:
Embark on a dangerous rescue mission in Dark Side of the Moon, the third Mythos Pack in The Dream-Eaters cycle for Arkham Horror: The Card Game! After the man who may hold the key to escaping the Dreamlands is taken by dangerous Corsairs, you follow to a dead world where danger is waiting around around every corner.
Dark Side of the Moon is Scenario 3–A of “The Dream-Quest” campaign. This scenario can be played on its own in Standalone Mode or combined with the other expansions in The Dream- Eaters cycle to form a larger four-part or eight-part campaign. After the events of The Search for Kadath, the investigators in the Dreamlands are drawn even further from the world of the waking than they could have ever thought when Virgil Gray is taken to the cold, distant moon and you have no choice but to follow in the hopes of rescuing him. The silence of the place is deafening. There is no wind whistling through the air, no chirping of birds, no idle sound of any kind. And around every corner, some maddening creature is keeping a close watch over their domain. You must remain even quieter in order to stay hidden long enough to find Virgil and escape without raising the alarm.
This is not a standalone product. A copy of the Arkham Horror: The Card Game Core Set and The Dream-Eaters deluxe expansion are required to play.