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