Eragon is a third-person, fixed camera action adventure game based on the plot of the movie of the same name. One or two players can fight as Eragon through the world of Alagaesia, with drop-in drop-out coop support. In addition to lots of fighting combos and team attacks, the player can unleash magical attacks on his enemies. There are also a number of dragon flying levels, with the player(s) controlling the powerful Saphira as she cleaves through hordes of enemies. The 360 version of this title contains additional levels and enemies.
The gameplay revolves around combat, exploration, and platforming, with an emphasis on using Eragon's magical abilities and Saphira's dragon powers to overcome obstacles and defeat enemies. Players can switch between ground-based combat and aerial dogfights with dragons, making for a thrilling and varied experience.