Bungie shares more detail about Marathon's Symbiosis update and 2027 plans

Bungie’s December Symbiosis update introduces a team deathmatch mode, a non-combat PvE training area, and the Tick Queen boss in the Perimeter zone. The March 2027 update will expand the game further with interconnected PvE and PvP systems, new alien enemies, deeper shell progression, and focused narrative questlines.