As you complete contracts or explore the different zones in Marathonmay players encounter lock boxes which cannot be opened without a key. These containers are part of special loot rooms scattered across the maps and usually contain several items that can be collected during a run. To open them, players must first acquire one Lockbox keywhich can either be randomly dropped from containers or purchased from a faction arrangement after unlocking the required upgrade.
Since the loot in these rooms is randomized, there is no guarantee that you will walk away with valuable items. Still, if you manage to get hold of a key, it's worth tracking down one of these rooms. The guide below explains how to get Lockbox keys and where to use them Marathon.
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Antivirus packages and lockdowns are intertwined in Marathon. You'll find how to get them and how to complete locks with them here.
How to get and use Lockbox keys in Marathon
As mentioned above, Lockbox Keys can drop randomly from containermeaning there is no reliable way to increase their spawn rate during a run. However, there is a more consistent method that involves Cyac faction.
After unlocking Cyac and completing its introductory contractyou get access to faction upgrades. One of these upgrades is called Locksmithwhich allows players to purchase Lockbox Keys directly from the Faction Arsenal. This upgrade requires Rank 4 with Cyacso you need to complete some faction contracts before it becomes available.
Once the locksmith is unlocked, go to Arsenal, where you can purchase a Lockbox key using specific salvage items and credits. After purchasing the key, place it in your backpack along with the rest of your charge before starting a run. Think about it Marathon don't have one secure item locationmeaning that if you get knocked out during the match, you will lose everything you brought with you, including the Lockbox key. Because of this, it is best to avoid unnecessary fights while wearing one.
When the match starts your goal is to look for major landmarks on the map and look for one red flare rises into the sky. This flare indicates the location of a Lockbox roomwhere several lock boxes can be opened with your key. Be careful when approaching these places. Many players know these rooms and maybe camp nearby, waiting to ambush other runners which comes with keys. It is a good idea to scout the area before entering.
The Thief Runner Shell's pickpocket drone can be particularly useful here. While its main purpose is to steal valuable items from other players, it can also be used for investigate the area safelyso you can look for enemy runners before entering the exchange room.
Looking for a comprehensive interactive map of Dire Marsh or Perimeter? You can find them here.
- Released
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March 5, 2026
- ESRB
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Teen/animated blood, language, violence, in-game purchases, user interaction
- Multiplayer
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Online Multiplayer, Online Co-Op
