Here is the full list of all 43 Door Kickers achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Get three stars in all Single Missions.
Get two stars in every Single Mission.
Get one star in every Single Mission.
Get 30 Perfect Plan Medals.
Have your entire team killed at roughly the same time after unpausing the game, within seconds of mission start.
Fully complete campaign "Suits and Ski-Masks"
Fully complete campaign "Terror at Sea"
Fully complete campaign "The Cell"
Fully complete campaign "Drug Bust"
Win a campaign in Iron Man Mode.
Get 30 One Man Army Medals.
Get 30 No Pause Medals.
Unlock all equipment / weapons.
Have a squad of fully leveled up troopers.
Level-up a trooper to maximum level.
Defuse a bomb with less then 1 second left.
Fully complete campaign "A Hard Day's Work"
Walk total 10000 meters.
Fire a total of 10000 rounds.
Complete 150 missions.
Arrest 100 enemies.
Get 50 stars
Kill 1000 enemies.
Get your first One Man Army Medal
Defuse 100 bombs.
Level-up your squad to maximum level.
Unlock all playable classes
Hit 5 enemies with the same Flashbang.
Kill 10 bad guys within 5 seconds, without letting them fire a shot.
Unlock the Breacher class
Complete a mission arresting 6 or more bad guys and without killing any.
Breach 400 doors.
Have a shield unit kill three enemies without moving.
Unlock the Shield Class
Defuse your first bomb
Handcuff your first bad guy
Save your first hostage
Get 13 stars
Unlock the Assaulter class
Complete 10 missions
Get your first Perfect Plan Medal
Get your first No Pause Medal
Get a 3 star result as an "improved result" on a mission