https://www.polygon.com/2018/9/25/17897352/destiny-2-forsaken-breakthrough-4v4-competitive-map

As of today’s weekl rest, several new features have been added to the Destiny 2: Forsaken Crucible. A new competitive mode has been added to the game, as well as three new maps. PlayStation 4 players are getting an exclusive fourth map as well, Bungie announced in in its This Week at Bungie post from last week.

The new mode is called Breakthrough, and was revealed a few months ago. It’s a mode designed for the game’s four versus four competitive playlist. Two teams work to capture a neutral point, and then push into the enemy’s base after the neutral point has been captured. If the now-attacking team can take the Breaker in time, they win. If they run out of time, they lose.