Here is the full list of all 64 Breach & Clear achievements.
Defeat 53,594 enemies.
Defeat 10,000 enemies.
Clear 1,000 locations.
Take no damage during a mission with 10 or more enemies.
Complete 15 missions on medium difficulty or higher without taking damage.
Clear 500 locations.
Defeat 5,000 enemies.
Earn a total of 1700 stars.
Defeat 100 enemies with grenades.
Level a Direct Action Specialist to level 30.
Level a Breacher to level 30.
Earn a total of 1400 stars.
Defuse 250 bombs.
Defuse 100 bombs.
Level a Fireteam Leader to level 30.
Level an Intelligence Specialist to level 30.
Level a Medic to level 30.
Level a Weapons Sergeant to level 30.
Earn four stars across every mission on every difficulty (Kabul, Turkey, and South China Sea).
Stun 100 enemies with flashbangs or breach charges.
Completely clear a location in five seconds or less.
Complete all Bomb Defusal missions on medium difficulty or higher.
Earn a total of 800 stars.
Complete all Terrorist Hunt missions on medium difficulty or higher.
Complete all Escape Plan missions on medium difficulty or higher.
Defeat 250 enemies with shotguns.
Have a bullet hit the CEO portrait in Kabul.
Earn a total of 550 stars.
Defeat 1,000 enemies.
Defeat 100 enemies with shotguns.
Defeat 50 enemies with shotguns.
Clear 100 locations.
Clear Frozen Synapse locations 40 times.
Have a single teammate complete a location with low health.
Defeat 500 enemies.
Use each breach type once.
Perform an explosive breach that kills two enemies.
Create a squad for each faction (SEALs, Rangers, SF, and JTF2).
Clear Frozen Synapse locations 20 times.
Defeat 150 enemy Shapeforms.
Defeat 100 enemy Shapeforms.
Level a soldier up to level 15.
Clear a Frozen Synapse location in Escape Plan.
Clear a Frozen Synapse location in Bomb Defusal.
Clear Frozen Synapse locations 5 times.
Defeat 50 enemy Shapeforms.
Clear a Frozen Synapse location with Petrov's Shard.
Create a Petrov's Shard team.
Clear a Frozen Synapse location with any team except Petrov's Shard.
Clear a Frozen Synapse location in Terrorist Hunt.
Successfully complete every mission (Kabul, Turkey, and South China Sea – any difficulty).
Defeat 100 enemies.
Visit Kabul, Turkey, and the South China Sea.
Use any tactic.
Earn four stars across any mission (any difficulty).
Defeat four enemies in one turn.
Defeat five enemies in one turn.
Defeat six enemies in one turn.
Take no damage during a mission.
Defeat three enemies in one turn.
Clear a single location.
Score an assist by having two soldiers target the same enemy.
Use a grenade.
Earn four stars across every mission (Kabul, Turkey, and South China Sea – any difficulty).