Bungie has just revealed the gameplay trailer for Symbiosis, the Marathon update arriving on December 8 for all players, with a PvE-only mode, a 3v3 Deathmatch beta and an Open Play Week from December 8 to 15. Is this the update that gets you (back) into Marathon?
Video: “Symbiosis Gameplay Trailer | Marathon”, official Marathon YouTube channel, published November 10, 2026 (3:00 p.m. Paris time), 2 min 33 s. https://www.youtube.com/watch?v=0PXGV5YuTWo
Key facts (Bungie, November 10, 2026):
- Symbiosis launches December 8 and is available to all Marathon players.
- Perimeter is transformed by fungal growth, with new areas: the underground Burrows and the submerged Reservoir; the Tick Queen lurks below.
- Expedition (Phase 1): a new PvE-only mode built around a three-run series, solo or with a crew, with Flash Boosts to shape your build.
- Deathmatch [Beta]: 3v3 Team Deathmatch without risking your permanent loadout.
- Limbo: a social space with firing ranges and a dueling pit.
- New Bishop Runner shell (blade-wielding robot), V17 Flamethrower and Maverick revolver.
- Open Play Week from December 8 to 15 lets everyone try the game; Crew Up rewards run until December 22.
- Marathon is on PS5, Xbox Series X|S and Steam with cross-play and cross-save (online play on console requires a paid subscription).
Questions for you:
- PvE-only Expedition without PvP threats: does it make Marathon more appealing to you, or does it remove what makes an extraction shooter tense?
- 3v3 Deathmatch with no loadout at risk: a good warm-up, or a distraction from extraction runs?
- Bishop, the new blade-wielding Runner shell: will you main it?
- Will Open Play Week (December 8–15) be your first time trying Marathon, or are you a returning Runner?
- On which platform do you play: PS5, Xbox Series X|S or Steam?
Tell us what would make you stay after the free week.
French discussion: https://tricknfix.com/fr/sujet/marathon-symbiosis-le-8-decembre-le-mode-pve-expedition-ou-le-deathmatch-3v3-vous-feront-ils-revenir-sur-tau-ceti-iv-pendant-l-open-play-wee-c315a3cd2f/
Sources: Bungie press release “First look: Marathon Symbiosis gameplay trailer reveals what’s coming December 8”, November 10, 2026 https://press.bungie.com/First-look-Marathon-Symbiosis-gameplay-trailer-reveals-whats-coming-De ; Symbiosis press kit https://press.bungie.com/Marathon-Symbiosis-press-kit (read November 10, 2026). Image: official Marathon Symbiosis key art, Bungie press kit, © Bungie, Inc.