Marathon

1 story
The clearest introduction to Marathon comes through Bungie science-fiction FPS, supported by Durandal rogue AI and Tycho rival intelligence. Pfhor alien slavers, Tau Ceti colony ship and terminal-based storytelling provide practical evidence of how the formula has expanded, narrowed or changed direction.
Coverage uses cyclical timeline themes, dual-wield weapon heritage and pre-Halo Bungie design to connect confirmed release history with changes in design and continuity. Marathon Infinity ambiguity and Marathon 2: Durandal are treated as precise examples rather than evidence that every instalment follows the same pattern. This scope follows the development of Marathon without merging sequels, remakes, expansions or spin-offs into a single experience.