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