Marathon Symbiosis update launches December 8, adding new PvE and PvP modes, weapons, and more

Sony published this on 10 November 2026. Below is what our monitor is reading from PlayStation Network’s own status feed right now, and how the servers have held up lately.

What the announcement says

Marathon‘s Symbiosis update arrives December 8, bringing new PvE and PvP modes, weapons, a Runner shell, and expanded areas to explore on Tau Ceti IV. Today we’ve got first details on the updated Perimeter zone, Expedition mode, and more. What’s new in Marathon: Symbiosis Updated Perimeter zone: Fungal growth and alien life have transformed Perimeter, […]

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Announced by Sony on 10 November 2026. Source: blog.playstation.com. We quote a short extract for identification and link to the original.