Check out the latest update for Marathon (v1.1.9)! Click here to view the patch notes. It is approx. 624 MB on Steam.
Promotion Messages
Learn more about what the Season 2 mid-season update will bring. Click here to view the post.
Take a look at our Runner Shells page in our Marathon Channel to learn more about the shells and various customization types. We'll be expanding on this page over time!
Learn more about items in Marathon, ranging from consumables, cores, implants and more! Updated to include information about Key Cards and high-tier materials!
Learn how Seasons work in Marathon, including what content updates to expect, and what does and does not carry over per season.
Learn how to survive on each map in Marathon, including Perimeter, Dire Marsh, Outpost and Cryo Archive! This page features navigation tips, best practices, and video guides from content creators. We've updated to include CRYO ARCHIVE!
Learn more about Factions & Upgrades. This page provides info about each faction, upgrade benefits, resources required to upgrade, and faction tips.
Maintenance & Update Messages
Check out the latest update for Marathon (v1.1.0, June 2, 2026)! Click here to view the patch notes.
Check out the latest update for Marathon (v1.1.0.5, July 9, 2026)! Click here to view the patch notes. It is approx. 518 MB on Steam and contains a single fix to the solo queue.
Added a Superior Shield Implant and a Superior Backpack.
These will be able to be acquired 3x per week.
Reduced CyberAcme Commendations cost for some items.
Deluxe Backpack: 20 -> 15.
Deluxe Shield Implant: 12 -> 10.
Deluxe Key Template: 40 -> 30.
Superior Key Template: 75 -> 50.
Combat
Rook Inventory Update
Added items to Rook’s inventory:
Compromised Sneak Pack.
2x Claymores.
1x Depleted Self Revive.
1x Signal Jammer.
These updates will last until the end of Season 2.
Mods
Fixed an issue where the Full-Auto Selector mod incorrectly stated that it increased rate of fire.
User Interface and Experience
Fixed a visual issue with the Threat indicator text when selecting a Ranked mode.
Fixed an issue where the audible invite sent notice and player joined notice would not always play when inviting a player.
Contracts
Fixed an issue in Return on Investment 4/5 where objectives could become un-interactable if players walked away while mid-completion.
Fixed an issue in Unsanctioned Hostilities 5/5 where the contract would not progress when acquiring quest items from other players.
Codex
Made additional updates to prevent players from getting into a state where they have completed a Codex challenge but not get credit for that completion.
Fixed an issue where players who reached Level 100 in Season 1 but did not claim the Century Runner emblem before Season 2 launched could not claim it.
Zones
Sponsored Night Marsh returns.
Cryo Archive
Fixed an issue allowing players to get outside of the playable map area.
Fixed an issue where the door in and out of the Compiler fight could incorrectly close.
Localization
Fixed several issues with text getting cut off in Russian.
General
Fixed an issue where parts of the Acid Abyss Thief skin would show in the player view when using the KKV-9SD.
Fixed a minor typo in the Thief Weaverunner Shell description.