The Lord of the Rings: The Card Game is a cooperative Living Card Game® in which one to two players (or up to four with two Core Sets) command some of the most powerful characters and artifacts in Middle-earth.
Nightmare Decks Nightmare Decks add and change several already existing quests and make them harder. They are aimed at the veteran player who likes to have a serious challenge. Each deck contains around 20 new encounter cards (60 for the big ones). Every pack includes a rule card that show which of the old cards should be removed and what's being added.
This means you need the original version of a particular scenario in order to playe the Nightmare Edition.
Saga Expansions Cover actual Events of the Hobbit and the Lord of the Rings. Each Saga Expansion is a larg box expansion, containing 3 new Quests, over 100 cards, including both player and encounter cards, and from 1 - 4 new Heroes, as well as a special hero that can only be used for that very expansion. Saga Expansions stand alone and require only the Core Set to play. Although the story builds between the expansions for each book. The Saga Expansions also include a Campaign Mode where you can earn special boons and burdens that carry over betweend expansions. (Optional)