Use any tactic.

Perform an explosive breach that kills two enemies.

Use a grenade.

Use each breach type once.

Create a squad for each faction (SEALs, Rangers, SF, and JTF2).

Visit Kabul, Turkey, and the South China Sea.

Clear a single location.

Successfully complete every mission (Kabul, Turkey, and South China Sea – any difficulty).

Clear 100 locations.

Clear 1,000 locations.

Clear 500 locations.

Take no damage during a mission.

Take no damage during a mission with 10 or more enemies.

Defeat 100 enemies.

Completely clear a location in five seconds or less.

Defeat 500 enemies.

Defeat 1,000 enemies.

Defeat 10,000 enemies.

Defeat 5,000 enemies.

Defeat 53.594 enemies.

Defeat three enemies in one turn.

Defeat five enemies in one turn.

Defeat four enemies in one turn.

Defeat six enemies in one turn.

Stun 100 enemies with flashbangs or breach charges.

Score an assist by having two soldiers target the same enemy.

Defeat 100 enemies with grenades.

Earn four stars across any mission (any difficulty).

Earn a cumulative total of 150 stars.

Have a single teammate complete a location with low health.

Earn a cumulative total of 300 stars.

Level a soldier up to level 15.

Level an Intelligence Specialist to level 30.

Level a Fireteam Leader to level 30.

Level a Weapons Sergeant to level 30.

Level a Breacher to level 30.

Level a medic to level 30.

Level a Direct Action Specialist to level 30.

Defeat 50 enemies with shotguns.

Defeat 100 enemies with shotguns.

Earn a total of 550 stars.

Defeat 250 enemies with shotguns.

Earn a total of 800 stars.

Defuse 100 bombs.

Complete all Terrorist Hunt missions on medium difficulty or higher.

Defuse 250 bombs.

Complete all Bomb Defusal missions on medium difficulty or higher.

Complete all Escape Plan missions on medium difficulty or higher.

Complete 15 missions on medium difficulty or higher without taking damage.