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