BRIEF SUMMARY
Codex Lore: RETURN ON INVESTMENT 3/5
OBJECTIVES
NO TACTICAL OBJECTIVES ASSIGNED TO THIS NODE.
RETURN ON INVESTMENT 3/5
ANALYZING… FILE TYPE: UESC Comms PERIOD: Present Day SPEAKERS: UESC Admiral Sulera [ID: CSUL], UESC Captain Orion [ID: ORION] TOPIC: Runner Interference SUMMARY: An intersystem call between UESC Admiral Sulera and UESC Captain Orion regarding Runner interference on Tau Ceti IV. =================================================================== [CSUL]: Explain to me how a handful of Runners has managed to humiliate a team of military professionals. [ORION]: It's more than a handful. [CSUL]: Of untrained petty criminals. [ORION]: The Runners are a problem, a huge problem. But they're not the source. They're working for Traxus OffWorld. Traxus is paying them to interfere. I've got concerns they might be hacking into our comms. [CSUL]: Have you considered the possibility of a mole in your unit? [ORION]: My people are solid. I chose each and every one of them. This isn't about my unit. This is about a regulated corporation deliberately compromising our mission objectives. If I could have permission to engage Traxus directly, put some fear into their corporate leadership so that I might— [CSUL]: Hear me, Captain. You will have no antagonistic contact with Traxus leadership, unless you want to be summarily dismissed. Deal with the Runners, or I will find someone else who can. =================================================================== TYPE: TEXT [X]; AUDIO [X]
About Codex in Marathon
The Codex is one of the most important progression systems in Marathon because it keeps track of the things that stay with your account over time. It covers achievements, collections, lore entries, cosmetics, titles, and other rewards tied to what you do in the game, and you can check it outside of your runs.
What makes the Codex stand out is that it is not just a lore menu. Marathon connects it to contracts, narrative items, and other in-game milestones, so the more you explore and complete, the more entries and rewards you unlock. It also carries over between seasons, even when things like gear, faction progression, contract progression, and player level reset.
FREQUENTLY ASKED QUESTIONS
The Codex is Marathon’s long-term progression hub. It tracks things like achievements, lore-related discoveries, cosmetics, titles, and other milestone-based rewards, and it can be viewed outside of runs.
The Codex keeps a record of what you have completed and found in Marathon. That includes progress from contracts, narrative items, and other achievements, along with the rewards tied to those goals.
Yes. Codex progression carries over between seasons, which makes it one of Marathon’s main long-term systems even when seasonal resets affect gear and other progression.
The Codex includes free cosmetics and other unlocks tied to objectives. You can get rewards like weapon styles, stickers, profile emblems, profile backgrounds, titles, runner shell cosmetics, and loadout packages.
Codex entries are unlocked by doing things like completing contracts, finding narrative items, completing objectives, and hitting other in-game milestones. As you keep playing, more entries and rewards open up.
The Marathon Codex page helps you understand what the Codex is, how it works, what kind of rewards it offers, and why it matters for long-term progression. It is also a useful place to get a simple view of the game’s achievement and reward tracking system.