Marathon Infinity

Marathon Infinity is the final installment of the Marathon Trilogy, offering 25 levels with exploration, puzzles, and combat across four chapters and five hidden levels. Its gameplay features range from point-and-shoot carnage to precise, high-level maneuvers required to earn the Vidmaster title. Introducing the KKV-7 10mm SMG Flechette submachine gun, players uncover the truth behind Marathon and Marathon: Durandal events in the single-player campaign, 'Blood Tides of Lh’owon'.