Countdown

Countdown is a Crucible gametype in Destiny 2. It is played in a series of rounds in which two teams of Guardians take turns alternating between attacking and defending. The attacking team is given two sites, A or B, where they can plant a bomb. Once the bomb is planted, the defenders have a certain amount of time to defuse the bomb before it detonates.

The attackers can win a round by eliminating all of the defenders or successfully detonating the bomb. The defenders can win a round by eliminating all of the attackers or successfully defusing the bomb after it has been planted. The first team to win six rounds win.