Answer the challenge of the new Marathon adventure. Marathon Infinity contains "Blood Tides of Lh'owon," a 30-level scenario with new textures, landscapes, monsters, and startling developments in the Marathon story. Also included is "Forge," Bungie's own powerful Map Editor, "Anvil," a single tool for easy modification of shapes, sounds, and physics models, and "The Marathon 2 Strategy Guide," by Marathon expert Tuncer Deniz.