https://www.gamespot.com/articles/destiny-2-gambit-mode-guide/1100-6461558/

Destiny 2: Forsaken is ushering Bungie's latest sci-fi shooter into its second year with a smorgasbord of new missions, modes, enemies, equipment, and more. Prominent among the new additions is Gambit, a unique Destiny 2 mode that blends PVE and PVP together into one seriously fun competition.