Eragon - Xbox Live the Adventure. Experience the authentic Eragon universe in the official game of the 20th Century Fox Film. Fulfill your destiny as a Rider. With your dragon ally, experience breathless dragon flight and unleash devastating dragon summon attacks. Your foes will crumble under the weight of your thunderous magic attacks, powerful melee combos and ruinous finishing moves. Unlikely allies will aid you. A second player can join at any time for true drop-in co-op play with special team attack bonuses.