Here is the full list of all 51 Door Kickers: Action Squad achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Use sniper support to kill 1000 enemies
Resurrect another player 5 times in the same mission
Use 5 extra lives in the same mission
Blow Open 100 Doors
Disarm 30 bombs
Kick Open 1000 Doors
Collect all 20 secret items
Kill 3 enemies with one breaching charge
Kill 3 enemies by blowing up one barrel
Successfully complete all missions in Chapter 5
3-Star all missions in Chapter 5
Make 5 VIP Arrests
Unlock Chapter 2
Unlock Chapter 5
Unlock Chapter 4
Successfully complete all missions in Chapter 4
3-Star all missions in Chapter 4
Rescue 1000 hostages
Use sniper support to kill 100 enemies
3-Star all missions in Chapter 3
Successfully complete all missions in Chapter 3
Unlock Chapter 3
Rescue 50 Wounded Policemen
Complete a level without taking any damage whatsoever
3-Star all missions in Chapter 2
Successfully complete all missions in Chapter 2
Kill an enemy with an elevator
Get 100 kills as Shield
Get 100 kills as Breacher
Stun 500 enemies
Get 100 kills as Assaulter
Set 20 enemies on fire
Get 100 kills as Agent Fergie
Kill 50 Hostages
Kill yourself with your own explosives
Successfully complete all missions in Chapter 1
3-Star all missions in Chapter 1
Kill 1000 bad guys
Kick Open 100 Doors
Get 100 kills as Recon
Collect your first secret item
Rescue 50 hostages
Kill 50 bad guys
Get 3 stars in a mission
Win one mission in Coop