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Marathon NDA Playtest 3 Leak Reveals New Details: New Runner and Abilities, "Multiple" Marathon Ship Maps, UI Overhaul, and More
Bungie’s latest closed playtest for Marathon has reportedly leaked online, revealing a new Runner and abilities, "multiple" Marathon ship maps, and more.


"Per leaked details, it looks like Bungie has fully overhauled the UI of the Factions screen, now showing off fully redesigned advisors and visual elements. All six factions were available in this playtest. For those unaware, these include: Cyberacme, Nucaloric, Traxus, MIDA, Arachne, and Sekiguchi.
Each of Marathon's six factions was available to interact with in this test, letting players take on contracts. Based on the leaked information, all faction advisors have received a "total visual overhaul." All six of these factions now feature a "super fancy" 30+ second pre-rendered intro cinematic, which "replaces what we saw from previous tests." According to the leaker, they look "fantastic."
Interestingly, all cosmetics from the previous test were removed in this build. Testers only had access to default skins. The new runner (more on her below) had her skin labeled as "Default Skin 01," which could hint at multiple variants down the line, possibly even multiple defaults to choose from in the future.
In Marathon Playtest 3, Bungie reportedly added a new Runner to the roster: Icon (codenamed Thief). This is the same character Bungie teased in earlier promo material. Based on our findings, we can confirm that "Icon" is the official name of the previously codenamed Thief runner in Marathon.

Here's a quick breakdown of Icon's abilities in Marathon, based on the leaked descriptions:
- Ability 1: Grapple
- Works like Pathfinder from Apex Legends.
- Ability 2: X-Ray Vision
- Lets the player see loot containers through walls, highlighting them based on the rarity of the highest-rated item inside. Also showed enemy outlines that refreshed every few seconds. It worked through smoke, but unclear if it works through solid walls.
- Ability 3: Loot-Stealing Drone
- Fires a retractable grapple at enemy players and pulls the rarest item from their inventory, dropping it nearby as a loot bag. You can't pull it directly into your own inventory, you still have to pick it up manually.
New Details About UESC Marathon Ship Map
According to the leaked information, Marathon Playtest 3 started with the Outpost map on day 1, now featuring improved visuals and a new environmental hazard where "sparks" rain from the sky, dealing damage over time (DOT) and increasing players' heat meters.Later in the test, a new map was added: Cryo Archive, set on the UESC Marathon ship itself. This is the first time the Marathon has been accessible in a playable form. It seems the ship is split into multiple maps, rather than one big map.
Per leaked details, this map had puzzle-like elements, sections that required keys and other objects to unlock (which were teased by content creators following the gameplay reveal), and areas that were clearly still in development with unfinished art.
While no S'pht Compilers were seen in this build, according to the leaker, they are apparently in the game files.
Other changes and small details...
- All previous cosmetics were disabled
- Silkworms, the pink cat, are reportedly in-game
- Cryo Archive map aesthetics match the rest of the game, but still need major art passes"