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