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